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ISO 18581:2026

Compressed natural gas (CNG) and liquefied natural gas (LNG) equipment and accessories — CNG and LNG propulsion systems for small craft — Installation requirements ISO 18581:2026

Publication date:   Jan 13, 2026

General information

60.60   Standard published   Jan 13, 2026

ISO

ISO/TC 22/SC 41 Specific aspects for gaseous fuels

International Standard

47.020.20   Marine engines and propulsion systems

Buying

Published

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Scope

This document specifies the requirements for the installation of compressed natural gas (CNG) and liquefied natural gas (LNG) propulsion systems and components on small crafts.
This document does not cover appliances with directly attached gas cylinders, such as portable container.

Life cycle

NOW

PUBLISHED
ISO 18581:2026
60.60 Standard published
Jan 13, 2026




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