Differences Between China 5 and China 6 Emission Standards
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The differences between China 5 and China 6 emission standards are: 1. Different control levels: The China 5 standard control level is equivalent to the European Stage 5 emission standard; the China 6 emission standard is established to prevent environmental pollution caused by exhaust emissions from compression-ignition and gas-fueled spark-ignition engine vehicles, protect the ecological environment, and safeguard human health. 2. Different release dates: The China 5 standard was released in September 2013; the China 6 standard was released in June 2018. 3. Different issuing departments: The China 5 standard was issued by the Ministry of Environmental Protection; the China 6 emission standard was jointly issued by the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection and Quarantine. 4. Different requirements: The emission standards for diesel and gasoline engine models under China 5 are different; China 6 adopts a fuel-neutral principle, meaning that regardless of the fuel type, the emission limits are the same.