How to Determine a Vehicle's Emission Standard from the Driving License?

1 Answers
LaAlice
07/30/25 5:09am
To determine a vehicle's emission standard from the driving license, observe the vehicle model number starting with 'bh' on the license: a suffix of 'w' or 'x' indicates China III, 'y' indicates China IV, and 'v' indicates China V emission standards. Vehicle emission standards regulate the permissible levels of harmful gases emitted from automobiles, including carbon monoxide, hydrocarbons, nitrogen oxides, particulates, and soot. Other methods to check a vehicle's emission standard include: 1. Review the Motor Vehicle Conformity Certificate: The vehicle's emission standard is clearly stated in the conformity certificate; 2. Check the Vehicle Delivery Checklist: The emission standard can be found in the vehicle information section; 3. Examine the Certificate of Conformity: The corresponding emission standard is indicated there; 4. Inspect the Vehicle's Environmental Protection Label: The back of the environmental protection label on the vehicle's front windshield clearly marks the vehicle's emission standard.
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