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The Pros And Cons Of Gasoline

327 Words2 Pages
Gasoline is a petroleum-derived liquid that is used primarily as a fuel in internal combustion engines. It consists mostly of organic compounds refined from petroleum, and is then enhanced with additives. When under enough pressure (such as in internal combustion engines) gasoline tends to auto-ignite causing damage to the components, this phenomena is called "engine knocking.” To prevent this from occurring, refineries add chemical compounds to increase the fuel’s resistance, or octane rating, to a point where it is usable. Before it was banned, tetraethyl lead (leaded fuel) was commonly used to produce fuel with a high octane rating, now, different compound are added, such as ethanol. Over the past century, the infrastructure for the obtaining,
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