What do China III, China IV, and China V mean for vehicles?
1 Answers
China III, China IV, and China V refer to the vehicle emission standards. China III stands for the National Phase III Motor Vehicle Emission Standard, China IV represents the National Phase IV Motor Vehicle Emission Standard, and China V indicates the National Phase V Motor Vehicle Emission Standard. Vehicle emission standards are established to prevent pollution from the exhaust of compression-ignition and gas-fueled spark-ignition engine vehicles, protect the ecological environment, and safeguard human health. The vehicle emission standards are categorized into: 1. Vehicles with a total mass less than or equal to 3.5 tons equipped with spark-ignition or compression-ignition engines; 2. Vehicles with a total mass greater than 3.5 tons equipped with spark-ignition engines; 3. Vehicles with a total mass greater than 3.5 tons equipped with compression-ignition engines.