What is the symbol of Truck Country Five? What is the symbol of the fifth country? What are the symbols of the six countries?

What is the symbol of Truck Country Five? What is the symbol of the National Six? The symbol of the national five is the national V, which is attached to the upper right corner of the front windshield of the car. "National Standard" refers to the automobile exhaust emission standard, which is the national fifth-stage motor vehicle pollutant emission standard. The vehicle exhaust emission standard is formulated to prevent vehicle pollution and improve the ambient air quality. The pollutants emitted by automobiles include carbon monoxide, hydrocarbons, nitrogen oxides and suspended solids. Compared with the national standard 4, the nitrogen oxide emissions of light vehicles and heavy vehicles can be reduced by about 25% and 43% respectively.

Million car purchase subsidy