How to Identify the Differences Between China 5 and China 6 Vehicle Emission Standards?
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The methods to distinguish between China 5 and China 6 vehicle emission standards are: 1. Check the vehicle conformity certificate; 2. Review the environmental information vehicle list; 3. Examine the vehicle qualification certificate. The differences between China 5 and China 6 are: 1. Different carbon monoxide emission requirements: China 5 allows 1000 mg per kilometer for carbon monoxide; China 6 reduces this to 500 mg per kilometer. 2. Different particulate matter emission requirements: China 5 permits 5 mg for particulate matter; China 6 lowers this to 3 mg. 3. Different nitrogen oxide emission requirements: China 5 allows 60 mg for nitrogen oxides; China 6 decreases this to 35 mg. 4. Different non-methane hydrocarbon emission requirements: China 5 permits 68 mg for non-methane hydrocarbons; China 6 reduces this to 35 mg.