Which is better, China 5 or China 6?
1 Answers
China 6 is better. The following are the differences between China 5 and China 6: 1. Different carbon monoxide emission requirements: China 5 vehicles have a carbon monoxide content of 1000mg per kilometer; China 6 vehicles have a carbon monoxide content of 500mg per kilometer. 2. Different issuing departments: The China 5 standard was issued by the Ministry of Environmental Protection; the China 6 standard was issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection and Quarantine. 3. Different control levels: The emission control level of the China 5 standard is equivalent to the European Stage 5 emission standard currently in effect; the emission control level of the China 6 standard is a standard formulated to prevent and control environmental pollution caused by exhaust emissions from compression-ignition and gas-fueled spark-ignition engine vehicles and to protect human health.