What are the new regulations for heavy-duty diesel vehicles?

1 Answers
AddysonLee
07/30/25 9:31am
Below are the relevant new regulations for heavy-duty diesel vehicles: 1. Effective date: Starting from July 1, 2021, the China VI emission standards for heavy-duty diesel vehicles will be fully implemented nationwide. The production and sale of heavy-duty diesel vehicles that do not meet the China VI emission standards are prohibited (the production date is based on the upload date of the motor vehicle certificate, and the sales date is based on the date on the motor vehicle sales invoice). Imported heavy-duty diesel vehicles must comply with the China VI emission standards (the import date is based on the arrival date noted on the goods import certificate). 2. Import and export regulations: As the responsible entities for environmental production consistency management, automobile manufacturers and importers must, in accordance with the "Air Pollution Prevention and Control Law of the People's Republic of China" and relevant regulations, publicly disclose vehicle emission test information and pollution control technology information before the vehicles leave the factory or enter the country. They must also upload the accompanying vehicle list to ensure that the actual production and imported vehicles meet the China VI emission standard requirements. 3. Emissions: The effective data points for nitrogen oxide (NOx) emission concentration limits in actual road vehicle emission tests for heavy-duty vehicles and the compliance factor (CF) for actual driving pollutant emission tests for light-duty vehicles shall be implemented according to the limits and relevant requirements specified in the corresponding standards. Heavy-duty vehicles that meet the emission standard requirements for Phase 6b must be connected to remote emission monitoring data networks in accordance with the standards and specifications.
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