本文件规定了适用于液化天然气（LNG）车载燃料系统的最低安全要求，该系统拟用于ISO 3833中定义的机动车类型。 本文件适用于根据ISO 15403系列使用液化天然气的车辆（单燃料、双燃料或双燃料应用）。不适用于原厂生产和改装车辆。包含以下内容:BS ISO 19723-1:2018

This document specifies the minimum safety requirements applicable to liquefied natural gas (LNG) on-board fuel system intended for use on the types of motor vehicles defined in ISO 3833. This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using liquefied natural gas in accordance with the ISO 15403 series. It is not applicable to original-production and converted vehicles.Incorporates the following:BS ISO 19723-1:2018