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Air Pollution Automobiles The waste products from automobiles and the environmental pollution that they cause have been a topic of heated debate for some time now As far back as the 1960s a handful people have fervently voiced their opinions on the harmful toxins that are thrust into our precious natural resources from automobiles Today in the 21st century that handful of concerned people has ballooned into a global concern Although the automotive boom began in the late 1940s it wasnt until the 1970s that people began to realize that automobiles in the ways that they burned fuel then and now are killing Mother earth and the people that live there When cars and trucks burn gasoline air toxins come out of the tailpipes These air toxins are combustion products--chemicals that are produced when a substance is burned Clean Air A medley of gases that spew from automobiles pollute our atmosphere and are fast making the environment a place unfit for living A combination of unburned Hydrocarbons Carbon Monoxide Oxides of Nitrogen combine to spread an obnoxious mixture When in excess quantity these tend to cause automobile pollution Within a certain range they are acceptable but when the engine is not tuned properly a vehicle uses obsolete technology or the quality of fuel is not good there is a result of a higher level of emission of all the gases Pollution has cast its ominous shadow across the world Two of the pollutants that are emitted by automobiles are hydrocarbons unburned fuel and nitric oxide When these pollutants build up to sufficiently high levels a chain reaction occurs from their interaction with sunlight in which the NO is converted to nitrogen dioxide NO2 NO2 is a brown gas and at sufficiently high levels can contribute to urban haze hence the smog that laypeople in big cities complain about However a more serious problem is that NO2 can absorb sunlight and
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