What are the automobile pollutants?

There are the following kinds of pollutants from automobile pollution: 1, automobile noise, which mainly refers to the noise generated by the automobile during driving, mainly caused by the working noise of the engine and the vibration and transmission of the automobile; 2, automobile exhaust pollution, mainly refers to the exhaust gas from the exhaust pipe of automobile engine, according to the different types of cars, its pollutant composition is also different. Automobile exhaust pollution is the main source of automobile pollution and one of the important projects of automobile environmental protection. 3. Fuel evaporation pollution is mainly used for the evaporation of gasoline vehicles. Gasoline is a highly volatile substance, which contains a lot of ingredients harmful to human health. Therefore, in the environmental control of automobile, the control of fuel evaporation project is added; 4, crankcase pollution, refers to the engine crankcase, cut off the incomplete combustion of combustible gas from the engine active plug-in, it contains harmful components such as carbon monoxide, so it is required that the exhaust gas in the engine is not allowed to be discharged into the atmosphere.