What do China 5 and China 6 mean in automobiles?
1 Answers
China 5 and China 6 in automobiles refer to the national fifth and sixth stage emission standards. Automobile 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 1, China 2, China 3, China 4, China 5, and China 6 emission standards. Methods to check a vehicle's emission standard are: 1. Check the vehicle conformity certificate: The emission standard is clearly stated in the vehicle conformity certificate; 2. Look for the vehicle's accompanying documents: Find the emission standard 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 on the vehicle's front windshield, which shows the vehicle's emission standard.