Technical Policy on the Prevention and Control of Pollution by Motor Vehicles Emissions.
The purpose of this Technical Policy is the protection of the air environment and the prevention and control of pollution by motor vehicle emissions. Emission standards of newly produced or in use automobiles, motorcycles and engine products shall constantly meet the requirements of the national standards. All vehicle gasoline produced in China after 2002 shall be free of tetraethyl-lead gasoline additive. Emission control devices and testing equipment shall meet the technical requirements of the national emission standards of automobiles and motorcycles.