Is China 5 the same as China V?

[DelZane]

China 5 is China V. More information about China 5 is as follows: 1. China 5 refers to the fifth stage of the national motor vehicle pollutant emission standards, represented by the symbol "China V". 2. The nitrogen oxide emissions under the China 5 standard are 25% lower than those under the China 4 standard, with additional PM emission limits, making it more stringent. 3. Each stage of the automobile emission standards uses Roman numerals, with the emission standards from China 1 to China 6 being Ⅰ, Ⅱ, III, Ⅳ, V, Ⅵ. 4. Motor vehicles that do not meet the China V emission standards will not be registered by the public security management authorities, nor will they be allowed to undergo change of registration or transfer registration from other regions to this city.