When will the China 6 standard be implemented in Sichuan?

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Sichuan officially implemented the China 6 standard on: July 1, 2019. The implementation of the sixth-stage motor vehicle emission standards in Sichuan strictly follows national requirements, being carried out by region, vehicle type, and in phases. Relevant information about the China 6 standard is as follows: 1. Definition: China 6 refers to the national sixth-stage motor vehicle pollutant emission standards, aimed at preventing pollution from the exhaust of compression-ignition and gas-fuel ignition engine vehicles, protecting the ecological environment, and safeguarding human health. 2. Changes compared to China 5: The emission standards are increased by more than 30%, nitrogen oxides are reduced by 77%, particulate matter is reduced by 67%, and PN (particle number) limit requirements are introduced.