Where can I check the China National Emission Standard for sedans?

[Joel]

Methods to check the China National Emission Standard for sedans: 1. Look for the environmental protection label on the front windshield; 2. Query through the Motor Vehicle Environmental Protection Website; 3. Check the vehicle's factory certificate; 4. Make a rough estimate based on the year the vehicle was registered; 5. Take the vehicle registration form or a copy to the vehicle management office for verification. The sedan emission standard refers to regulations on the content of harmful gases such as carbon monoxide, hydrocarbons, nitrogen oxides, and PM emitted from vehicle exhaust. Hazards of sedan exhaust emissions: 1. Severe air pollution and smog; 2. Threats to human health; 3. Impact on the harmonious development of nature; 4. Increased national burden.