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ISO 15501-1:2025

Road vehicles — Compressed natural gas (CNG) fuel systems — Part 1: Safety requirements

Dec 1, 2025

General information

60.60     Dec 1, 2025

ISO

ISO/TC 22/SC 41

International Standard

43.060.40  

English  

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Published

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Scope

This document specifies the minimum safety requirements applicable for the functionality of compressed natural gas (CNG) on-board fuel systems intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles using compressed natural gas in accordance with ISO 15403-1, 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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 15501-1:2016

WITHDRAWN
ISO 15501-1:2016/Amd 1:2021

NOW

PUBLISHED
ISO 15501-1:2025
60.60 Standard published
Dec 1, 2025