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When will the China 6 emission standard be implemented?

1 Answers

StPaige

07/29/25 1:27pm

The China 6 standard is divided into two parts. Here are the relevant details: 1. "Limits and Measurement Methods for Emissions from Light-duty Vehicles (China VI)" was implemented nationwide on July 1, 2020; 2. "Limits and Measurement Methods for Emissions from Heavy-duty Diesel Vehicles (China VI)" was implemented nationwide on July 1, 2019. Below is the timeline of emission standard implementations: 1. China 1 standard was implemented nationwide on July 1, 2001, mainly imposing restrictions on carbon monoxide, hydrocarbons, and particulate emissions. 2. China 2 standard was implemented nationwide on July 1, 2004, requiring a 30% reduction in carbon monoxide and a 55% reduction in hydrocarbons and carbon oxides. 3. China 3 standard was implemented nationwide on July 1, 2007, requiring a 40% reduction in total pollutant emissions compared to China 2. 4. China 4 standard was implemented nationwide on July 1, 2010, requiring a 50% to 60% reduction compared to China 3. 5. China 5 standard was implemented nationwide on January 1, 2018, requiring a 25% reduction in nitrogen oxide emissions compared to China 4. 6. China 6 standard: China 6a was implemented nationwide on July 1, 2020, and China 6b will be implemented nationwide on July 1, 2023.

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