How to Check the National Emission Standard of a Motor Vehicle?

2 Answers
DiAugust
07/24/25 9:55pm
Here are the methods to check which national emission standard a motor vehicle belongs to: 1. Check the vehicle's environmental protection label, which usually has a clear mark on the back. 2. Log in to the website of the Motor Vehicle Exhaust Pollution Supervision and Management Center to inquire. 3. Take the motor vehicle registration certificate (original or copy is acceptable) to the vehicle management office for inquiry. 4. For new vehicles, check the vehicle's factory certificate of conformity. However, generally, the certificate is kept at the vehicle management office, so it is recommended to make a copy for future use when purchasing a new car. 5. Make a rough distinction based on the year the vehicle was registered. Most vehicles registered after 2008 are National IV; vehicles registered in 2007 could be National III or National IV; vehicles registered before 2007 are mostly below National IV, i.e., National III or National II; vehicles registered before 2005 are mostly National II.
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VonAnnie
08/10/25 2:50pm
I recently changed my car and researched how to check the China emission standard. The simplest method is to directly check the vehicle conformity certificate or registration certificate, usually included in the purchase documents, which clearly states China IV, China V, etc. If you've lost the documents, you can open the hood and look for the environmental protection label on the chassis—some cars have it posted there. I also tried using the WeChat mini-program 'Motor Vehicle Environmental Protection Inquiry,' where you can input the license plate number or VIN to display the results—it's quite convenient. A reminder: different regions have related traffic restriction policies, such as Beijing requiring China VI or above to enter within the Fifth Ring Road, so checking can help avoid fines. I recommend car owners check regularly since emission standards affect insurance and annual inspections—don't wait until you can't drive to panic.
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