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What does the National VI environmental standard mean?

4 Answers
LeMia
08/26/25 5:39am

National VI environmental standard refers to the National 6 emission standard. Here is the relevant introduction about vehicle emission standards: 1. Vehicle emission standards regulate the content of harmful gases emitted from vehicle exhaust, including CO (carbon monoxide), HC+NOx (hydrocarbons and nitrogen oxides), PM (particulate matter, soot), etc. 2. In order to reduce the production of harmful gases from vehicle emissions and encourage manufacturers to improve product technology, many countries have established relevant vehicle environmental emission standards (the three major international systems are European, American, and Japanese standards). Among them, the European standard is the most widely applied and serves as the reference for China's vehicle emission standards. Based on this, China has introduced national standards that are more suitable for its own conditions. Currently, both domestically produced and imported vehicle models must meet the National III or National IV standards.

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McCorbin
09/08/25 7:57am

China VI is the sixth-stage national standard for vehicle emissions commonly referred to today. It imposes stricter pollution limits on all new vehicles, significantly reducing emissions of nitrogen oxides and particulate matter. Representing a major improvement over the previous China V standard, it is implemented in two phases - China VIa and China VIb - starting from 2019. This requires automakers to adopt advanced technologies in design and production, such as optimizing engines and adding post-treatment systems, to minimize vehicles' environmental impact. The testing methodology has also been upgraded, no longer limited to laboratory tests but now including real-world driving emissions tests for more accurate results. For me, paying attention to these standards is crucial as it helps consumers choose cleaner vehicles and contributes to reducing urban air pollution in the long run. Of course, when buying a new car, simply checking the environmental label for the China VI mark takes just a few easy steps.

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McLouis
10/22/25 8:04am

When I recently changed my car, I paid special attention to the China VI standard, which refers to the latest national exhaust emission regulations, much stricter than the older versions. The salesperson explained that it helps protect the environment by reducing pollutants, making new cars more eco-friendly and energy-efficient. I found several benefits of choosing a China VI-compliant car: smoother driving, slightly lower fuel consumption, and noticeably reduced exhaust odor, especially in stop-and-go city traffic. The downside is that these cars might be a bit more expensive due to higher technology investments, but in the long run, they save on maintenance costs. You can usually check a vehicle's emission details on official websites to avoid buying non-compliant used cars. Overall, this standard encourages greener transportation, and I fully support this direction.

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SanAlex
12/05/25 8:28am

China VI represents new vehicle emission regulations, which strictly limit harmful substances in exhaust such as carbon monoxide to reduce air pollution. Each of us benefits from it as it helps alleviate smog issues, making urban air cleaner, especially for vulnerable groups like the elderly and children. I always remind my friends to prioritize China VI-compliant vehicles—it's simple yet effective. This standard has been implemented in many regions, and the effects are gradually becoming apparent.

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