How to Check Which National Emission Standard a Vehicle Meets?

1 Answers
LeClaire
07/30/25 3:48am
Here are the methods to check which national emission standard a vehicle meets: 1. Environmental Protection Compliance Label: Check the back of the vehicle's environmental protection compliance label sticker, where you can find the emission standard. 2. Vehicle Certification Mark Number: On the first page of the vehicle certification mark number, there is a description of the emission standard. However, it is not directly stated as "National X"; instead, it is a string of characters. You can search online for the meaning of this character string to determine which national emission standard it represents. 3. Vehicle Management Office Inquiry: Bring the vehicle registration certificate to the local vehicle management office for inquiry.
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