How to Check the National Emission Standard of a Car?

[McAbel]

To check the national emission standard of a car, you can: 1. Look at the vehicle's factory certificate; 2. Check the vehicle's environmental standard list; 3. Review the vehicle conformity certificate. The automotive emission standard refers to regulations on the content of harmful gases emitted from vehicle exhaust, including carbon monoxide, hydrocarbons, nitrogen oxides, particulate matter, and soot. Currently, automotive emission standards are categorized into: 1. National Phase I Motor Vehicle Pollutant Emission Standard; 2. National Phase VI Motor Vehicle Pollutant Emission Standard; 3. National Phase III Motor Vehicle Pollutant Emission Standard; 4. National Phase IV Motor Vehicle Pollutant Emission Standard; 5. National Phase V Motor Vehicle Pollutant Emission Standard; 6. National Phase VI Motor Vehicle Pollutant Emission Standard.