What is China National V Emission Standard for Vehicles?

2 Answers
MacHeidi
07/29/25 4:43am
China National V is the fifth-stage emission standard for vehicles. Vehicle emission standards regulate the content of harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, particulate matter, and soot emitted from vehicle exhaust. The emission standards include: China National I, China National II, China National III, China National IV, China National V, and China National VI. Methods to check a vehicle's emission standard level: 1. Check the vehicle conformity certificate: The emission standard is clearly stated in the vehicle conformity certificate; 2. Look for the vehicle's packing list: The emission standard can be found in the vehicle information section; 3. Check the conformity certificate: It indicates the corresponding emission standard; 4. Inspect the vehicle's environmental protection label: There is a clear mark on the back of the environmental protection label affixed to the vehicle's front windshield, showing the vehicle's emission standard.
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McKate
08/12/25 8:24am
I'm always fascinated by automotive technology, and I find the China 5 standard quite interesting. It's not some profound concept—it's simply the new vehicle emission regulation China introduced in 2017, officially called the National Phase 5 Standard. In plain terms, it sets limits on vehicle exhaust emissions, requiring reduced pollutants like carbon monoxide and nitrogen oxides to minimize air pollution. When working on cars, I've noticed that China 5-compliant engines are cleaner, though maintenance costs a bit more, but the upside is cleaner air for everyone. New car models must display an environmental label at production, making it easy to identify China 5 compliance. Nowadays, buying such cars is a priority—they offer urban driving convenience without traffic restrictions. In the long run, it drives automakers to innovate, benefiting even new energy vehicles.
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