Various vehicles sailed with energy combustion of gasoline (Benzine = C6H6) diesel engines, such as cars, planes. Motorcycle tricycle, the boat will release toxic vapor smoke, gas, various types of ออกมาทาง exhaust. The high rate of number one, especially, the car is an important source causing the bad air and control solutions can be difficult. Especially in the automobile increasing year by year. Even how much tax expensive cars. Because of transportation has become an important factor of human beings.
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