Research shows that the current automobile exhaust treatment technology has been much improved than before, and almost all the pollutants in exhaust emissions are below the detection level  However, some environmental protection organizations are still trying to eliminate all cars in the world
They said,everything is because cars, cars pollute the air and damage our lungs
According to the air pollution map drawn by the environmental protection department for nearly 30 years, during this period, the mileage of cars increased by 170%, but the degree of air pollution decreased by 54%