Because the substances from major automobile including carbon monoxide, hydrocarbon oxide of nitrogen and sulfur compounds are hydrocarbons. About 55% out of the exhaust 25 woven% out of the room, shaft, crank, and the other 20% evaporation in คาร์บูเร fighter and fuel tanks. Oxides of nitrogen is nitric oxide (NO), nitrogen dioxide (NO2) and Nai, said oxide (N2O) เกือบทั all out from the exhaust. Toxic to humans directly, and the cause of disease of serious bleeding. And also destroyed other creatures.
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