What is the difference between National IV and National V vehicles?
1 Answers
The differences between National IV and National V vehicles are: 1. Different emission standards: National IV is the National Fourth Stage Motor Vehicle Pollutant Emission Standard; National V is the National Fifth Stage Motor Vehicle Pollutant Emission Standard. 2. Different emission pollutants: National IV emission pollutants mainly include hydrocarbons, nitrogen oxides, carbon monoxide, and particulate matter; National V emission pollutants mainly include nitrogen oxides, hydrocarbons, carbon monoxide, and suspended particles. Methods to determine whether a vehicle is National IV or National V: 1. Check the original and duplicate copies of the environmental inspection compliance label; 2. Log in to the Motor Vehicle Environmental Protection Website and enter the vehicle model and engine model in the New Vehicle Compliance Query System to check.