Is Euro 3 Equivalent to China 4 or China 3?

1 Answers
DelAubrey
07/30/25 8:51am
Euro III emission standards are approximately equivalent to China III emission standards. Below is more information about automotive emission standards: 1. Concept: Automotive emission standards refer to regulations on the content of harmful gases emitted from vehicle exhaust, such as CO (carbon monoxide), HC+NOx (hydrocarbons and nitrogen oxides), and PM (particulate matter, soot). 2. China III Emission Standards: The China III emission standards are equivalent to the Euro III emission standards, requiring HC emissions below 0.2g/km; CO emissions below 2.3g/km; and NOx emissions below 0.15g/km.
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