What is the China III Emission Standard?
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China III standard refers to the third stage of China's vehicle emission standards. The national third-stage emission standard is equivalent to the Euro III emission standard, meaning the content of tailpipe pollutants is comparable to that of Euro III. According to the regulations of the Ministry of Environmental Protection, starting from January 1, 2008, diesel vehicles, natural gas vehicles, and liquefied petroleum gas vehicles with a maximum total mass exceeding 3,500 kg began implementing the "China III Standard," excluding gasoline vehicles. From July 1, 2008, all vehicles with a maximum total mass of 3,500 kg or less started implementing the "China III Standard." After the implementation of the China III Standard, a one-year transition period was granted for the production and sale of vehicles manufactured under the "China II Standard" to allow manufacturers and sellers time to adapt to the new standards. The China IV Emission Standard was introduced in 2011 and remained in effect until the implementation of the China V Standard in 2018. Therefore, vehicles produced between 2011 and 2017 comply with the China IV Standard. The China IV Standard requires a reduction of approximately 50% in the emission levels of various pollutants compared to the China III Standard.
