What are the differences between China 5 and China 6 vehicle emission standards?

1 Answers
Johnny
07/25/25 8:31am
China 5 and China 6 vehicle emission standards differ in the following aspects: 1. Different carbon monoxide emission levels: China 5 allows 1,000 mg of carbon monoxide emissions; China 6 permits 700 mg. 2. Different emission limits: China 5 has an emission limit of 0.0045 grams per kilometer; China 6's limit is 0.25 grams per kilometer. 3. Different issuing authorities: China 5 was issued by the Ministry of Environmental Protection; China 6 was jointly issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection and Quarantine. 4. Different letter representations: China 5 is denoted by V; China 6 is represented by VI.
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