This Part of this Standard applies to the design, construction, installation, operation, mainte-nance and fuelling of compressed natural gas (CNC) systems whereCNG isused either wholly or in part as a fuel for internal combustion en-gines. In general the Standard is directed to-wards vehicle installations.
NZS 5422 Pt.2:1987 history
1987NZS 5422 Pt.2:1987 LPG and CNG Fuels in Internal Combustion Engines Part 2 Code of Use of CNG Automotive Fuels