What do China VI and China V mean?

[LeViolet]

China VI and China V represent the national automobile emission standards (China IV and China V). The following are the differences between China IV and China V: 1. Different sulfur content: The upper limit of sulfur content in China IV standard gasoline is 50mg/kg, while that in China V standard gasoline is 10mg/kg. 2. Different implementation times: The China IV standard was implemented in December 2014, and the China V standard was implemented in December 2017. 3. Different durability mileage: Compared with China IV, China V increased from 80,000 kilometers to 160,000 kilometers. 4. Different particulate matter particle numbers: Compared with China IV, the nitrogen oxide emission limit for China V gasoline vehicles is strictly required to be 25%, and that for diesel vehicles is strictly required to be 28%.