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EN ISO 17507-2:2025

Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 2: PKI method (ISO 17507-2:2025) EN ISO 17507-2:2025

Publication date:   Feb 17, 2026

General information

60.60   Standard published   Dec 17, 2025

CEN

CEN/TC 408 Natural gas and biomethane for use in transport and biomethane for injection in the natural gas grid

European Norm

75.060   Natural gas

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Scope

This document specifies the PKI method for the calculation of the methane number of a gaseous fuel, using the composition of the gas as sole input for the calculation.
This document applies to natural gas (and biomethane) and their admixtures with hydrogen.

Life cycle

NOW

PUBLISHED
EN ISO 17507-2:2025
60.60 Standard published
Dec 17, 2025




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