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What is the emission standard for China 6 vehicles?

1 Answers

LoganFitz

07/30/25 3:06am

China 6 emission standard, also known as the National Sixth Stage Motor Vehicle Pollutant Emission Standard, is established to implement the "Environmental Protection Law of the People's Republic of China" and the "Air Pollution Prevention and Control Law of the People's Republic of China", aiming to control motor vehicle pollutant emissions and improve ambient air quality. The China 6 emission standard is as follows: 1. Introduction: The National Sixth Stage Motor Vehicle Pollutant Emission Standard is an upgraded version of the current China 5 emission standard, imposing stricter limits on CO (carbon monoxide), THC (total hydrocarbons), NMHC (non-methane hydrocarbons), and NOX (nitrogen oxides). 2. Stricter than China 5: The emission limits for PM (particulate matter mass) are more stringent compared to the China 5 standard, and new regulations on PN (particulate matter number) emissions have been added. The implementation dates are July 1, 2019 (for heavy-duty diesel vehicles) and July 1, 2020 (for light-duty vehicles). 3. Implementation Time: China will implement the latest exhaust emission standard, known as "China 6", starting from 2017. This standard is equivalent to the world's strictest environmental standard "Euro 6" officially implemented in Europe in 2015. It will significantly reduce pollutants such as nitrogen oxides (NOX) and particulate matter (PM) compared to the current "China 4" standard.

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