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ISO
ISO/TC 22/SC 41
International Standard
This document specifies the minimum safety requirements applicable for the functionality of LPG on-board fuel systems intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles using Liquified Petroleum Gas in accordance with ISO 9162, including mono-fuel, bi-fuel or dual-fuel applications, original-production and converted vehicles. All matters relating to the skills of installers and converters have been excluded from this document.
IN_DEVELOPMENT
ISO/AWI 26278-1
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New project registered in TC/SC work programme
Feb 2, 2026