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Word Count: 763
Why do two stroke engines The two stroke engine which is widely used to operate such machiner as motorcycles boats and lawn equipment such as weed whackers are being tried to put tyo rest because of pollutants they create into the air These emissions can be attributed to the to the design inefficiency of the two stroke motor The high basic design has remained since the 1940s Since these two stroke engines create such high emissions and essentially unchanged are poorly designed they should be banned all together to protect our decaying atmosphere pollute so much Twenty five percent of the fuel and required oil that conventional two strokes use most of it unburned is pounds of hydrocarbon emissions per year to be emitted into the atmosphere How much pollution emitted directly into the wer and air Bluewaternetwork This allows 11 billion do two stroke engines cause Eatvery year marine two stroke motors spill 15 times more oil and fuel into waterways than did the Exxon Valdez Sdearthtimes The EPA estimates that one hour of operation by a 70-horsepower two stroke motor emits the same amount of hydrocarbon pollution as driving 5000 miles in a modern automobile Sdearthtimes Two stroke engines pose a threat to human health by intoxicating our clean air which is supported by these facts An opposing argument to two stroke engines polluting says that even though two stroke engines release high emissions the amount of automobiles that release lower emissions very highly outnumbers the amount of two stroke engines being used today How do two stroke engines work so horribly to produce so much pollution The pollution comes from two sources The first is the combustion of the oil The oil makes all two-stroke engines smoky to some extent and a badly worn two-stroke engine can emit huge clouds of oily smoke Howthingswork The second reason is less obvious to people who dont know much about how a two stroke
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