What is the difference between National V and VI?

[Kevin]

National V and VI refer to emission standards. The following are the differences between the two: 1. Different sulfur content: The upper limit of sulfur content in National VI standard gasoline is 50mg/kg; the upper limit of sulfur content in National V standard gasoline is 10mg/kg. 2. Different implementation times: The implementation time of National VI standard is December 2014; the implementation time of National V standard is December 2017. 3. Different durability mileage: Compared with VI, V has increased from 80,000 kilometers to 160,000 kilometers. 4. Different particulate matter counts: Compared with National VI, nitrogen oxides in National V gasoline vehicles are 25% stricter, and nitrogen oxides in diesel vehicles are 28% stricter.