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75.160.40 - Biofuels

ICS 75.160.40 Details

Biofuels

Biocombustibles

Biogoriva

General Information

Parent
75.160 - Fuels

Frequently Asked Questions

ICS 75.160.40 is a classification code in the International Classification for Standards (ICS) system. It covers "Biofuels". The ICS is a hierarchical classification system used to organize international, regional, and national standards, facilitating the search and identification of standards across different fields.

There are 483 standards classified under ICS 75.160.40 (Biofuels). These standards are published by international and regional standardization bodies including ISO, IEC, CEN, CENELEC, and ETSI.

The International Classification for Standards (ICS) is a hierarchical classification system maintained by ISO to organize standards and related documents. It uses a three-level structure with field (2 digits), group (3 digits), and sub-group (2 digits) codes. The ICS helps users find standards by subject area and enables statistical analysis of standards development activities.

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Standardization Organization
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CEN
EN 18051:2026(Main)
Automotive fuels - Determination of content of butoxy-benzene in middle distillates - Gas chromatographic method using a flame ionization detector (GC-FID)
SIST EN 18051:2026

This document specifies a test method for the determination of the content of n-butyl phenyl ether (BPE, CAS: 1126-79-0, also known as butoxy-benzene) in gas oils, kerosene, diesel fuel and biodiesel blends. The method uses a two-column gas chromatograph with an FID-type of detector. The application range is 0,27 mg/l to 19,75 mg/l of BPE, with the minimum and maximum reporting levels being 0,09 mg/l and 21,89 mg/l respectively.
NOTE   This corresponds to 1 % to 185 % of the average marking level of the ACCUTRACE™ Plus required by Commission Implementing Decision (EU) 2022/197 [1] of 17 January 2022 establishing a common fiscal marker for gas oils and kerosene.
The method is found to be applicable to determinations beyond this range or for specific other chemical markers that fall within the distillation temperature range of middle-distillates, but for that no precision has been determined.
WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

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SIST EN 18051:2026(Main)
Automotive fuels - Determination of content of butoxy-benzene in middle distillates - Gas chromatographic method using a flame ionization detector (GC-FID)
EN 18051:2026

This document specifies a test method for the determination of the content of n-butyl phenyl ether (BPE, CAS: 1126-79-0, also known as butoxy-benzene) in gas oils, kerosene, diesel fuel and biodiesel blends. The method uses a two-column gas chromatograph with an FID-type of detector. The application range is 0,27 mg/l to 19,75 mg/l of BPE, with the minimum and maximum reporting levels being 0,09 mg/l and 21,89 mg/l respectively.
NOTE   This corresponds to 1 % to 185 % of the average marking level of the ACCUTRACE™ Plus required by Commission Implementing Decision (EU) 2022/197 [1] of 17 January 2022 establishing a common fiscal marker for gas oils and kerosene.
The method is found to be applicable to determinations beyond this range or for specific other chemical markers that fall within the distillation temperature range of middle-distillates, but for that no precision has been determined.
WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

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SIST
SIST EN ISO 16994:2026(Main)
Solid biofuels and pyrogenic biocarbon - Determination of sulfur and chlorine content (ISO 16994:2026)
EN ISO 16994:2026

This document describes methods for the determination of sulfur and chlorine content in solid biofuels and pyrogenic biocarbon and specifies two methods for decomposition of the fuel and different analytical techniques for the quantification of the elements in the decomposition solutions. The determination of other elements such as fluorine and bromine are also possible with the methods in this document, however performance data for these elements are not provided. The use of automatic equipment is also included in this document, provided that a validation is carried out as specified and that the performance characteristics are similar to those of the method described in this document.

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CEN
EN ISO 16994:2026(Main)
Solid biofuels and pyrogenic biocarbon - Determination of sulfur and chlorine content (ISO 16994:2026)
SIST EN ISO 16994:2026

This document describes methods for the determination of sulfur and chlorine content in solid biofuels and pyrogenic biocarbon and specifies two methods for decomposition of the fuel and different analytical techniques for the quantification of the elements in the decomposition solutions. The determination of other elements such as fluorine and bromine are also possible with the methods in this document, however performance data for these elements are not provided. The use of automatic equipment is also included in this document, provided that a validation is carried out as specified and that the performance characteristics are similar to those of the method described in this document.

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ISO 16994:2026(Main)
Solid biofuels and pyrogenic biocarbon — Determination of sulfur and chlorine content

This document describes methods for the determination of sulfur and chlorine content in solid biofuels and pyrogenic biocarbon and specifies two methods for decomposition of the fuel and different analytical techniques for the quantification of the elements in the decomposition solutions. The determination of other elements such as fluorine and bromine are also possible with the methods in this document, however performance data for these elements are not provided. The use of automatic equipment is also included in this document, provided that a validation is carried out as specified and that the performance characteristics are similar to those of the method described in this document.

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SIST
SIST EN ISO 17225-5:2026(Main)
Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO 17225-5:2026)
EN ISO 17225-5:2026

This document specifies the fuel quality classes and specifications of graded firewood. This document applies only to firewood produced from the following raw materials (see ISO 17225-1:2021, Table 1):
— 1.1.1 Whole trees without roots;
— 1.1.3 Stemwood;
— 1.1.4 Logging residues (thick branches, tops, etc.);
— 1.2.1 Chemically untreated by-products and residues from wood processing industry.

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SIST EN ISO 24966:2026(Main)
Determination of flash point - Modified continuously closed cup flash point (MCCCFP) method (ISO 24966:2026)
EN ISO 24966:2026

This document describes a test method for the determination of the flash point of chemicals, lube oils, fuels including aviation turbine fuel, diesel fuel, diesel/biodiesel blends and related products. The precision of this method has been determined over the range of 24,5 °C to 229,5 °C.
NOTE            Apparatus can determine the flash point at higher or lower temperatures than the precision range, however the precision has not been determined.

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CEN
EN ISO 17225-5:2026(Main)
Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO 17225-5:2026)
SIST EN ISO 17225-5:2026

This document specifies the fuel quality classes and specifications of graded firewood. This document applies only to firewood produced from the following raw materials (see ISO 17225-1:2021, Table 1):
1.1.1 Whole trees without roots;
1.1.3 Stemwood;
1.1.4 Logging residues (thick branches, tops, etc.);
1.2.1 Chemically untreated by-products

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ISO
ISO 17225-5:2026(Main)
Solid biofuels — Fuel specifications and classes — Part 5: Graded firewood

This document specifies the fuel quality classes and specifications of graded firewood. This document applies only to firewood produced from the following raw materials (see ISO 17225-1:2021, Table 1): 1.1.1 Whole trees without roots; 1.1.3 Stemwood; 1.1.4 Logging residues (thick branches, tops, etc.); 1.2.1 Chemically untreated by-products

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CEN
EN ISO 24966:2026(Main)
Determination of flash point - Modified continuously closed cup flash point (MCCCFP) method (ISO 24966:2026)
SIST EN ISO 24966:2026

This document describes a test method for the determination of the flash point of chemicals, lube oils, fuels including aviation turbine fuel, diesel fuel, diesel/biodiesel blends and related products. The precision of this method has been determined over the range of 24,5 °C to 229,5 °C.
NOTE            Apparatus can determine the flash point at higher or lower temperatures than the precision range, however the precision has not been determined.

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ISO
ISO 24966:2026(Main)
Determination of flash point — Modified continuously closed cup flash point (MCCCFP) method

This document describes a test method for the determination of the flash point of chemicals, lube oils, fuels including aviation turbine fuel, diesel fuel, diesel/biodiesel blends and related products. The precision of this method has been determined over the range of 24,5 °C to 229,5 °C. NOTE Apparatus can determine the flash point at higher or lower temperatures than the precision range, however the precision has not been determined.

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SIST
SIST EN ISO 19743:2026(Main)
Solid biofuels - Determination of content of heavy extraneous materials larger than 3,15 mm (ISO 19743:2026)
EN ISO 19743:2026

This document specifies a method for the determination of the content of heavy extraneous materials (HEM) larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225-1, and especially for hogfuel in accordance with ISO 17225-9.
NOTE 1        This method is designed to determine the level of impurities larger than 3,15 mm with a specific density >1 g/cm3, such as stones, glass, rubber, metal and certain types of plastics.
NOTE 2        During the processing of the sample, hand sorting of light impurities with a specific density ≤1 g/cm3 (e.g. plastic foil) can also be done.
NOTE 3        Some heavy extraneous materials (e.g. lumps of clay) can fall apart when submerged in water.
NOTE 4        Heavy extraneous materials smaller than 3,15 mm can damage milling equipment, when reducing the material in size to produce laboratory samples.

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CEN
EN ISO 19743:2026(Main)
Solid biofuels - Determination of content of heavy extraneous materials larger than 3,15 mm (ISO 19743:2026)
SIST EN ISO 19743:2026

This document specifies a method for the determination of the content of heavy extraneous materials (HEM) larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225-1, and especially for hogfuel in accordance with ISO 17225-9.
NOTE 1        This method is designed to determine the level of impurities larger than 3,15 mm with a specific density >1 g/cm3, such as stones, glass, rubber, metal and certain types of plastics.
NOTE 2        During the processing of the sample, hand sorting of light impurities with a specific density ≤1 g/cm3 (e.g. plastic foil) can also be done.
NOTE 3        Some heavy extraneous materials (e.g. lumps of clay) can fall apart when submerged in water.
NOTE 4        Heavy extraneous materials smaller than 3,15 mm can damage milling equipment, when reducing the material in size to produce laboratory samples.

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ISO
ISO 19743:2026(Main)
Solid biofuels — Determination of content of heavy extraneous materials larger than 3,15 mm

This document specifies a method for the determination of the content of heavy extraneous materials (HEM) larger than 3,15 mm by the use of sink-and-float separation combined with elutriation. This document is applicable to woody biomass in accordance with ISO 17225-1, and especially for hogfuel in accordance with ISO 17225-9. NOTE 1 This method is designed to determine the level of impurities larger than 3,15 mm with a specific density >1 g/cm3, such as stones, glass, rubber, metal and certain types of plastics. NOTE 2 During the processing of the sample, hand sorting of light impurities with a specific density ≤1 g/cm3 (e.g. plastic foil) can also be done. NOTE 3 Some heavy extraneous materials (e.g. lumps of clay) can fall apart when submerged in water. NOTE 4 Heavy extraneous materials smaller than 3,15 mm can damage milling equipment, when reducing the material in size to produce laboratory samples.

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ISO
ISO 32662-2:2025(Main)
Liquid petroleum products — Determination of total contamination — Part 2: Fatty acid methyl esters

This document specifies a method for the determination of the content of undissolved substances, referred to as total contamination, in neat fatty acid methyl esters (FAME). The working range is from 5 mg/kg to 27 mg/kg and it was established in an interlaboratory study by applying ISO 4259-1.[1] This document in general is applicable to FAME having a kinematic viscosity not exceeding 8 mm2/s at 20 °C, or 5 mm2/s at 40 °C, e.g. as specified in EN 14214.[2] This test method can be used for FAME having a kinematic viscosity exceeding 8 mm2/s at 20 °C, or 5 mm2/s at 40 °C, however in such cases the precision of the test method has not been determined. WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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SIST
SIST EN ISO 18708:2026(Main)
Solid recovered fuels - Determination of bulk density (ISO 18708:2025)
EN ISO 18708:2025

This document specifies a method for determining the bulk density of solid recovered fuels (SRF) by the use of a standard measuring container. This method is applicable to all SRFs with a nominal top size of particle less than 1/3 of the container diameter specified in this document.

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SIST EN ISO 21660-2:2026(Main)
Solid recovered fuels - Determination of moisture content using the oven dry method - Part 2: Determination of total moisture by a simplified method (ISO 21660-2:2025)
EN ISO 21660-2:2025

This document specifies a method for determination of the moisture content in a test portion of the laboratory sample by drying the test portion in an oven. This method is applicable for routine production control on site, e.g. if a high precision of the determination of moisture content is not required. It is applicable to all solid recovered fuels.
If the solid recovered fuel contains large amounts of oil-fractions, a lower temperature is advisable (e.g. 50 °C ± 10 °C) and a longer drying time until constant mass is achieved. As an alternative, the Karl-Fischer-Titration-Method (see ISO 760[1]) is advisable.
NOTE 1        The total moisture content of recovered fuels is not an absolute value and therefore standardised conditions for its determination are indispensable to enable comparative determinations.
NOTE 2        The term moisture content when used with recovered materials can be misleading since solid recovered materials, e.g. biomass, frequently contain varying amounts of volatile compounds (extractives) which can evaporate when determining the moisture content of the general analyses sample by oven drying.

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EN ISO 21660-2:2025(Main)
Solid recovered fuels - Determination of moisture content using the oven dry method - Part 2: Determination of total moisture by a simplified method (ISO 21660-2:2025)
SIST EN ISO 21660-2:2026

This document specifies a method for determination of the moisture content in a test portion of the laboratory sample by drying the test portion in an oven. This method is applicable for routine production control on site, e.g. if a high precision of the determination of moisture content is not required. It is applicable to all solid recovered fuels.
If the solid recovered fuel contains large amounts of oil-fractions, a lower temperature is advisable (e.g. 50 °C ± 10 °C) and a longer drying time until constant mass is achieved. As an alternative, the Karl-Fischer-Titration-Method (see ISO 760[1]) is advisable.
NOTE 1        The total moisture content of recovered fuels is not an absolute value and therefore standardised conditions for its determination are indispensable to enable comparative determinations.
NOTE 2        The term moisture content when used with recovered materials can be misleading since solid recovered materials, e.g. biomass, frequently contain varying amounts of volatile compounds (extractives) which can evaporate when determining the moisture content of the general analyses sample by oven drying.

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CEN
EN ISO 18708:2025(Main)
Solid recovered fuels - Determination of bulk density (ISO 18708:2025)
SIST EN ISO 18708:2026

This document specifies a method for determining the bulk density of solid recovered fuels (SRF) by the use of a standard measuring container. This method is applicable to all SRFs with a nominal top size of particle less than 1/3 of the container diameter specified in this document.

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SIST
SIST EN ISO 17829:2025(Main)
Solid biofuels - Determination of length and diameter of pellets (ISO 17829:2025)
EN ISO 17829:2025

This document specifies the methods for determination of the diameter and length of pellets. Concerning the pellet length, methods for the determination of fractions of specified lengths, such as pellets > 40 mm and particles < 10 mm and for determination of the average length are included.

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EN ISO 17829:2025(Main)
Solid biofuels - Determination of length and diameter of pellets (ISO 17829:2025)
SIST EN ISO 17829:2025

This document specifies the methods for determination of the diameter and length of pellets. Concerning the pellet length, methods for the determination of fractions of specified lengths, such as pellets > 40 mm and particles < 10 mm and for determination of the average length are included.

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ISO 17829:2025(Main)
Solid biofuels — Determination of length and diameter of pellets

This document specifies the methods for determination of the diameter and length of pellets. Concerning the pellet length, methods for the determination of fractions of specified lengths, such as pellets > 40 mm and particles

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SIST
SIST-TP CEN/TR 16389:2025(Main)
Automotive fuels - Paraffinic diesel fuel and blends with FAME - Background to the parameters required and their respective limits and determination
CEN/TR 16389:2025

This document explains the requirements and test methods for paraffinic diesel fuel from synthesis or hydrotreatment. Synthesis refers to XTL processes where X refers to various feedstocks for example Gas (G), Biomass (B) or Coal (C) and TL stands for To-Liquid. Hydrotreatment of vegetable oils and animal fats yield Hydrotreated Vegetable Oil (HVO). Paraffinic diesel fuel can be blended with up to 7,0 % (V/V) fatty acid methyl ester (FAME). This document provides background information to the final text of EN 15940 [1] and gives guidance and explanations to the producers, blenders, marketers and users of paraffinic automotive diesel fuel.
Paraffinic diesel fuel is a high quality, clean burning fuel with virtually no sulfur and aromatics. Paraffinic diesel fuel can be used in diesel engines, also to reduce regulated emissions. In order to have the greatest possible emissions reduction, a specific calibration is needed. Some types of paraffinic diesel fuel, at present notably HVO, can also offer a meaningful contribution to the target of increased non-crude derived and/or renewable content in the transportation fuel pool.
For general diesel engine operation, durability and warranty, paraffinic automotive diesel fuel needs a validation step to confirm the compatibility of the fuel with the vehicle, which for some existing engines still needs to be done. The vehicle manufacturer needs to be consulted before use.
NOTE 1   This document is directly related to EN 15940 and will be updated once further publications take place.
NOTE 2   Paraffinic diesel fuel is also used as a blending component in automotive diesel fuel. In that case, composition and properties of the final blends are defined by relevant fuel specification standards.
NOTE 3   For the purposes of this document, the terms "% (m/m)" and "% (V/V)" are used to represent respectively the mass fraction and the volume fraction.

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CEN
CEN/TR 16389:2025(Main)
Automotive fuels - Paraffinic diesel fuel and blends with FAME - Background to the parameters required and their respective limits and determination
SIST-TP CEN/TR 16389:2025

This document explains the requirements and test methods for paraffinic diesel fuel from synthesis or hydrotreatment. Synthesis refers to XTL processes where X refers to various feedstocks for example Gas (G), Biomass (B) or Coal (C) and TL stands for To-Liquid. Hydrotreatment of vegetable oils and animal fats yield Hydrotreated Vegetable Oil (HVO). Paraffinic diesel fuel can be blended with up to 7,0 % (V/V) fatty acid methyl ester (FAME). This document provides background information to the final text of EN 15940 [1] and gives guidance and explanations to the producers, blenders, marketers and users of paraffinic automotive diesel fuel.
Paraffinic diesel fuel is a high quality, clean burning fuel with virtually no sulfur and aromatics. Paraffinic diesel fuel can be used in diesel engines, also to reduce regulated emissions. In order to have the greatest possible emissions reduction, a specific calibration is needed. Some types of paraffinic diesel fuel, at present notably HVO, can also offer a meaningful contribution to the target of increased non-crude derived and/or renewable content in the transportation fuel pool.
For general diesel engine operation, durability and warranty, paraffinic automotive diesel fuel needs a validation step to confirm the compatibility of the fuel with the vehicle, which for some existing engines still needs to be done. The vehicle manufacturer needs to be consulted before use.
NOTE 1   This document is directly related to EN 15940 and will be updated once further publications take place.
NOTE 2   Paraffinic diesel fuel is also used as a blending component in automotive diesel fuel. In that case, composition and properties of the final blends are defined by relevant fuel specification standards.
NOTE 3   For the purposes of this document, the terms "% (m/m)" and "% (V/V)" are used to represent respectively the mass fraction and the volume fraction.

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ISO
ISO/TS 17595:2025(Main)
Solid biofuels — Characterization of wood chip fuels — Essential information for producers, suppliers and users

This document provides guidance on the characterization of wood chips produced from raw materials, as defined in ISO 17225-4, for the following aspects: — quality classes and specifications; — sampling, sample preparation and test methods for physical characteristics which can be conducted on site; — practical information about testing to be carried out by external laboratories. This document provides additional information about the type and frequency of testing at an energy plant site, starting from the planning and start-up stages of a project and throughout its regular operation. This document is applicable for assessing changes in properties on a relative basis when testing is done routinely. This document is not applicable for demonstrating conformance with the referenced International Standards.

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SIST
SIST EN ISO 17831-2:2025(Main)
Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 2: Briquettes (ISO 17831-2:2025)
EN ISO 17831-2:2025

This document specifies a method for determination of the mechanical durability of briquettes. The mechanical durability is a measure of the resistance of compressed fuels towards shocks and/or abrasion as a consequence of handling and transportation.

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SIST EN 15751:2025(Main)
Automotive fuels - Fatty acid methyl ester (FAME) fuel and blends with diesel fuel - Determination of oxidation stability by accelerated oxidation method at 110 °C
EN 15751:2025

This document specifies a test method for the determination of the oxidation stability of fuels for diesel engines at 110 °C, by means of measuring the induction period of the fuel up to 48 h. The method is applicable to fatty acid methyl esters (FAME) intended for the use as pure biofuel or as a blending component for diesel fuels, and to blends of FAME with diesel fuel containing 2 % (V/V) of FAME at minimum.
The precision of the test method has been developed for conventional diesel. This test method is applicable for paraffinic diesel fuels as specified in EN 15940, however, a separate precision statement for paraffinic diesel is not available.
NOTE 1   EN 14112 [1] describes a similar test method for the determination of the oxidation stability of pure fatty acid methyl esters (see the Introduction to this document). Additionally, EN 16568 [4] describes a similar test method for the determination of the oxidation stability of fuels for diesel engines at 120 °C, by means of measuring the induction period of the fuel up to 20 h. EN 16568 is applicable to blends of FAME with diesel fuel containing 2 % (V/V) of FAME at minimum. Other alternative test methods for the determination of the oxidation stability of distillate fuels are described in CEN/TR 17225 [5].
NOTE 2   For induction periods higher than 48 h the precision is not covered by the precision statement of this method. The limit values of the relevant fuel standards are well within the scope of this test method.
NOTE 3   The presence of cetane improver can reduce the oxidation stability determined by this test method. Limited studies with EHN (2-ethyl hexyl nitrate) indicated, however, that the stability is reduced to an extent which is within the reproducibility of the test method.
NOTE 4   For the purposes of this document, the term “% (V/V)” is used to represent the volume fraction (φ) of a material.

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SIST EN ISO 17831-1:2025(Main)
Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 1: Pellets (ISO 17831-1:2025)
EN ISO 17831-1:2025

This document specifies a method for determination of the mechanical durability of pellets. The mechanical durability is a measure of the resistance of compressed fuels towards shocks and/or abrasion as a consequence of handling and transportation.

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CEN
EN 15751:2025(Main)
Automotive fuels - Fatty acid methyl ester (FAME) fuel and blends with diesel fuel - Determination of oxidation stability by accelerated oxidation method at 110 °C
SIST EN 15751:2025

This document specifies a test method for the determination of the oxidation stability of fuels for diesel engines at 110 °C, by means of measuring the induction period of the fuel up to 48 h. The method is applicable to fatty acid methyl esters (FAME) intended for the use as pure biofuel or as a blending component for diesel fuels, and to blends of FAME with diesel fuel containing 2 % (V/V) of FAME at minimum.
The precision of the test method has been developed for conventional diesel. This test method is applicable for paraffinic diesel fuels as specified in EN 15940, however, a separate precision statement for paraffinic diesel is not available.
NOTE 1   EN 14112 [1] describes a similar test method for the determination of the oxidation stability of pure fatty acid methyl esters (see the Introduction to this document). Additionally, EN 16568 [4] describes a similar test method for the determination of the oxidation stability of fuels for diesel engines at 120 °C, by means of measuring the induction period of the fuel up to 20 h. EN 16568 is applicable to blends of FAME with diesel fuel containing 2 % (V/V) of FAME at minimum. Other alternative test methods for the determination of the oxidation stability of distillate fuels are described in CEN/TR 17225 [5].
NOTE 2   For induction periods higher than 48 h the precision is not covered by the precision statement of this method. The limit values of the relevant fuel standards are well within the scope of this test method.
NOTE 3   The presence of cetane improver can reduce the oxidation stability determined by this test method. Limited studies with EHN (2-ethyl hexyl nitrate) indicated, however, that the stability is reduced to an extent which is within the reproducibility of the test method.
NOTE 4   For the purposes of this document, the term “% (V/V)” is used to represent the volume fraction (φ) of a material.

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SIST EN ISO 17828:2025(Main)
Solid biofuels - Determination of bulk density (ISO 17828:2025)
EN ISO 17828:2025

This document specifies a method for determining the bulk density of solid biofuels using a standardized measuring container. This method is applicable to all pourable solid biofuels with a nominal top size of maximum 63 mm while the maximum particle length is 200 mm. For fuels with a nominal top size larger than 63 mm, a different method is described.
Bulk density is not an absolute value; therefore, conditions for its determination have to be standardized in order to gain comparative measuring results.
NOTE            Bulk density of solid biofuels is subject to variation due to several factors such as vibration, shock, pressure, biodegradation, drying, and wetting. Measured bulk density can therefore deviate from actual conditions during transportation, storage, or transhipment.

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EN ISO 17831-2:2025(Main)
Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 2: Briquettes (ISO 17831-2:2025)
SIST EN ISO 17831-2:2025

This document specifies a method for determination of the mechanical durability of briquettes. The mechanical durability is a measure of the resistance of compressed fuels towards shocks and/or abrasion as a consequence of handling and transportation.

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ISO
ISO 17831-2:2025(Main)
Solid biofuels — Determination of mechanical durability of pellets and briquettes — Part 2: Briquettes

This document specifies a method for determination of the mechanical durability of briquettes. The mechanical durability is a measure of the resistance of compressed fuels towards shocks and/or abrasion as a consequence of handling and transportation.

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CEN
EN ISO 17831-1:2025(Main)
Solid biofuels - Determination of mechanical durability of pellets and briquettes - Part 1: Pellets (ISO 17831‑1:2025)
SIST EN ISO 17831-1:2025

This document specifies a method for determination of the mechanical durability of pellets. The mechanical durability is a measure of the resistance of compressed fuels towards shocks and/or abrasion as a consequence of handling and transportation.

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EN ISO 17828:2025(Main)
Solid biofuels - Determination of bulk density (ISO 17828:2025)
SIST EN ISO 17828:2025

This document specifies a method for determining the bulk density of solid biofuels using a standardized measuring container. This method is applicable to all pourable solid biofuels with a nominal top size of maximum 63 mm while the maximum particle length is 200 mm. For fuels with a nominal top size larger than 63 mm, a different method is described.
Bulk density is not an absolute value; therefore, conditions for its determination have to be standardized in order to gain comparative measuring results.
NOTE            Bulk density of solid biofuels is subject to variation due to several factors such as vibration, shock, pressure, biodegradation, drying, and wetting. Measured bulk density can therefore deviate from actual conditions during transportation, storage, or transhipment.

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ISO
ISO 17831-1:2025(Main)
Solid biofuels — Determination of mechanical durability of pellets and briquettes — Part 1: Pellets

This document specifies a method for determination of the mechanical durability of pellets. The mechanical durability is a measure of the resistance of compressed fuels towards shocks and/or abrasion as a consequence of handling and transportation.

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ISO
ISO 17828:2025(Main)
Solid biofuels — Determination of bulk density

This document specifies a method for determining the bulk density of solid biofuels using a standardized measuring container. This method is applicable to all pourable solid biofuels with a nominal top size of maximum 63 mm while the maximum particle length is 200 mm. For fuels with a nominal top size larger than 63 mm, a different method is described. Bulk density is not an absolute value; therefore, conditions for its determination have to be standardized in order to gain comparative measuring results. NOTE Bulk density of solid biofuels is subject to variation due to several factors such as vibration, shock, pressure, biodegradation, drying, and wetting. Measured bulk density can therefore deviate from actual conditions during transportation, storage, or transhipment.

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EN 16214-1:2024(Main)
Sustainability and greenhouse gas emission saving criteria for biomass for energy applications - Principles, criteria, indicators and verifiers - Part 1: Terminology
SIST EN 16214-1:2025

This document specifies the terminology to be used in the field of sustainability and greenhouse gas emission saving criteria for biomass for energy applications. This document specifically considers some relevant terms and definitions used in European Commission Directive 2018/EU/2001, the recast of the Renewable Energy Directive (RED II), and the European Commission Directive 2009/30/EC referred to as Fuel Quality Directive (FQD), or in other related European regulations.

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EN 16214-3:2024(Main)
Sustainability and greenhouse gas emission saving criteria for biomass for energy applications - Principles, criteria, indicators and verifiers - Part 3: Sustainability criteria related to environmental aspects
SIST EN 16214-3:2025

This document specifies procedures, criteria and indicators meeting the sustainability criteria of European Commission Directive 2018/EU/2001 (RED II), the recast of the Renewable Energy Directive, for agricultural biomass and forest biomass for energy applications, i.e. biofuels, bioliquids and biomass fuels. This document is applicable to production, cultivation and harvesting of biomass from agricultural land and forest land for biofuels, bioliquids and biomass fuel production.

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ISO 6729:2024(Main)
Petroleum products and other liquids — Standard test method for ethanol determination in gasoline blends by gas chromatography

This document establishes a method for determining the ethanol content in gasoline blends by gas chromatography (GC). This method is applicable to gasoline samples with ethanol contents ranging from 1,02 % to 52,3 %, in volume fraction.

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SIST
SIST EN ISO 17827-2:2024(Main)
Solid biofuels - Determination of particle size distribution for uncompressed fuels - Part 2: Vibrating screen method using sieves with aperture of 3,15 mm and below (ISO 17827-2:2024)
EN ISO 17827-2:2024

This document specifies a method for the determination of the size distribution of particulate biofuels by the vibrating screen method. The method described is meant for particulate biofuels only, namely, materials that either have been reduced in size, such as most wood fuels, or are physically in a particulate form. This document applies to particulate uncompressed fuels with a nominal top size of 3,15 mm and below (e.g. sawdust).

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SIST EN ISO 17827-1:2024(Main)
Solid biofuels - Determination of particle size distribution for uncompressed fuels - Part 1: Oscillating screen method using sieves with apertures of 3,15 mm and above (ISO 17827-1:2024)
EN ISO 17827-1:2024

This document specifies a method for the determination of the size distribution of particulate biofuels by the horizontally oscillating screen method. It applies to particulate uncompressed fuels with a nominal top size of 3,15 mm and above, e.g. wood chips, hog fuel, olive stones.
The method is intended to characterize material up to a particle size class (P) of P63. For larger P-classes and PL-classes, the characterization is mainly done by hand sorting.
NOTE            The definitions and specifications of P- and PL-classes are given in ISO 17225-1, ISO 17225-4 and ISO 17225-9.

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SIST EN ISO 17830:2024(Main)
Solid biofuels - Particle size distribution of disintegrated pellets (ISO 17830:2024)
EN ISO 17830:2024

This document specifies the requirements and method used to determine particle size distribution of disintegrated pellets. It is applicable for pellets that fully disintegrate in hot water.

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EN 12662-2:2024(Main)
Liquid petroleum products - Determination of total contamination - Part 2: Fatty acid methyl esters
SIST EN 12662-2:2024

This document specifies a method for the determination of the content of undissolved substances, referred to as total contamination, in neat fatty acid methyl esters (FAME). The working range is from 5 mg/kg to 27 mg/kg and it was established in an interlaboratory study by applying EN ISO 4259-1 [1].
This document in general is applicable to FAME having a kinematic viscosity not exceeding 8 mm2/s at 20 °C, or 5 mm2/s at 40 °C, e.g. as specified in EN 14214 [2].
This test method can be used for FAME having a kinematic viscosity exceeding 8 mm2/s at 20 °C, or 5 mm2/s at 40 °C, however in such cases the precision of the test method has not been determined.
NOTE   For the purposes of this document, the term “% (V/V)” is used to represent the volume fraction, φ, of a material.
WARNING - The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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CEN
EN ISO 17827-2:2024(Main)
Solid biofuels - Determination of particle size distribution for uncompressed fuels - Part 2: Vibrating screen method using sieves with aperture of 3,15 mm and below (ISO 17827-2:2024)
SIST EN ISO 17827-2:2024

This document specifies a method for the determination of the size distribution of particulate biofuels by the vibrating screen method. The method described is meant for particulate biofuels only, namely, materials that either have been reduced in size, such as most wood fuels, or are physically in a particulate form. This document applies to particulate uncompressed fuels with a nominal top size of 3,15 mm and below (e.g. sawdust).

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EN ISO 17827-1:2024(Main)
Solid biofuels - Determination of particle size distribution for uncompressed fuels - Part 1: Oscillating screen method using sieves with apertures of 3,15 mm and above (ISO 17827-1:2024)
SIST EN ISO 17827-1:2024

This document specifies a method for the determination of the size distribution of particulate biofuels by the horizontally oscillating screen method. It applies to particulate uncompressed fuels with a nominal top size of 3,15 mm and above, e.g. wood chips, hog fuel, olive stones.
The method is intended to characterize material up to a particle size class (P) of P63. For larger P-classes and PL-classes, the characterization is mainly done by hand sorting.
NOTE            The definitions and specifications of P- and PL-classes are given in ISO 17225-1, ISO 17225-4 and ISO 17225-9.

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CEN
EN 12662-1:2024(Main)
Liquid petroleum products - Determination of total contamination - Part 1: Middle distillates and diesel fuels
SIST EN 12662-1:2024

This document specifies a method for the determination of the content of undissolved substances, referred to as total contamination, in middle distillates, in diesel fuels containing up to 30 % (V/V) fatty acid methyl esters (FAME). The working range is from 12 mg/kg to 26 mg/kg and it was established in an interlaboratory study by applying EN ISO 4259-1 [4].
This document in general is applicable to products having a kinematic viscosity not exceeding 8 mm2/s at 20 °C, or 5 mm2/s at 40 °C.
This test method can be used for paraffinic diesel fuels as specified in EN 15940, for diesel fuels containing more than 30 % (V/V) FAME and for petroleum products having a kinematic viscosity exceeding 8 mm2/s at 20 °C, or 5 mm2/s at 40 °C, however in such cases the precision of the test method has not been determined.
NOTE   For the purposes of this document, the term “% (V/V)” is used to represent the volume fraction, φ, of a material.
WARNING - The use of this document can involve hazardous materials, operations and equipment. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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CEN
EN ISO 17830:2024(Main)
Solid biofuels - Particle size distribution of disintegrated pellets (ISO 17830:2024)
SIST EN ISO 17830:2024

This document specifies the requirements and method used to determine particle size distribution of disintegrated pellets. It is applicable for pellets that fully disintegrate in hot water.

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ISO
ISO 17830:2024(Main)
Solid biofuels — Particle size distribution of disintegrated pellets

This document specifies the requirements and method used to determine particle size distribution of disintegrated pellets. It is applicable for pellets that fully disintegrate in hot water.

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ISO
ISO 17827-2:2024(Main)
Solid biofuels — Determination of particle size distribution for uncompressed fuels — Part 2: Vibrating screen method using sieves with apertures of 3,15 mm and below

This document specifies a method for the determination of the size distribution of particulate biofuels by the vibrating screen method. The method described is meant for particulate biofuels only, namely, materials that either have been reduced in size, such as most wood fuels, or are physically in a particulate form. This document applies to particulate uncompressed fuels with a nominal top size of 3,15 mm and below (e.g. sawdust).

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ISO
ISO 17827-1:2024(Main)
Solid biofuels — Determination of particle size distribution for uncompressed fuels — Part 1: Oscillating screen method using sieves with apertures of 3,15 mm and above

This document specifies a method for the determination of the size distribution of particulate biofuels by the horizontally oscillating screen method. It applies to particulate uncompressed fuels with a nominal top size of 3,15 mm and above, e.g. wood chips, hog fuel, olive stones. The method is intended to characterize material up to a particle size class (P) of P63. For larger P-classes and PL-classes, the characterization is mainly done by hand sorting. NOTE The definitions and specifications of P- and PL-classes are given in ISO 17225-1, ISO 17225-4 and ISO 17225-9.

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