When is the implementation date of the China VI emission standard in Shanghai?

[BlakelyLynn]

Shanghai's China VIa standard was implemented on July 1, 2020, and the China VIb standard was implemented on July 1, 2023. The following are the differences between China V and China VI: Different carbon monoxide emission requirements: China V vehicles have a carbon monoxide content of 1000mg per kilometer; China VI vehicles have a carbon monoxide content of 500mg per kilometer. Different implementation times: The China V standard was implemented nationwide on January 1, 2017, as the fifth-phase national motor vehicle emission standard. The China VI standard has been implemented since July 1, 2019. Different principles: During the China V phase, diesel vehicles had different emission standards, but China VI adopts a fuel-neutral principle.