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.
IN_DEVELOPMENT
prSSH EN ISO 17507-2:2025
40.20
DIS ballot initiated: 12 weeks
Feb 9, 2026
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