When will China 6 be implemented?

[Aubrey]

Currently, the country divides the "China 6 standard" into two phases: "China 6a" and "China 6b", and plans to implement them nationwide uniformly in 2020 and 2023 respectively. Here is the extended information: 1. The role of implementing China 6: The China 6 standard, also known as the "National Sixth Stage Motor Vehicle Pollutant Emission Standard", is formulated to implement environmental protection laws, reduce and prevent pollution from vehicle exhaust to the environment, protect the ecological environment, and ensure human health. 2. Impact on China 4 and China 5 vehicles: After the implementation of the China 6 emission standard, all vehicles sold and registered must meet the requirements of the China 6 emission standard. Vehicles below the emission standard will be prohibited from being sold, registered, or transferred. China 4 and China 5 emission vehicles will only be allowed to be scrapped or relocated to regions where the China 6 standard has not yet been implemented.