The implementation time of Kunming National Six of Pacific Auto Network is July 1, 22. Compared with the national five emission standards, the limits of carbon monoxide and nitrogen oxides in the national six B standards have decreased by 5% and 42% respectively.

at present, the country will? National six standards? Divided into? Guoliu a? And? Guoliu b? Two stages, and it is planned to be implemented uniformly throughout the country in 22 and 223 respectively. What is the national six standard? National sixth stage motor vehicle pollutant emission standard? , is to implement the relevant laws of environmental protection, reduce and prevent the pollution of automobile exhaust to the environment, protect the ecological environment and ensure human health.

the national sixth standard was issued by the Ministry of environmental protection and the general administration of quality supervision, inspection and quarantine on December 23rd, 216 and June 22nd, 218 respectively. The Emission Limits and Measurement Methods for Heavy Diesel Vehicles (China Phase VI) came into effect on July 1, 219. With the implementation of the National Sixth Standard, the requirements for emissions of carbon monoxide, nitrogen oxides and hydrocarbons will be more stringent. (Photo/Text/Photo: Pacific Auto Network Xu Shuanghe)