This standard specifies the implementation conditions, test items, procedures and methods and the contents of the test report for type testing of vehicles that can burn compressed natural gas. This standard applies to M and N categories of CNG single-fuel, diesel-CNG dual-fuel, and gasoline/CNG dual-fuel vehicles that are equipped with special devices for compressed natural gas on established automobile products.
QC/T 257-1998 history
1998QC/T 257-1998 Compressed Natural Gas Vehicle Type Test Regulations