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How is gasoline rated?

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Gasoline intended for use in engines is rated by octane number , an index of quality that reflects the ability of the fuel to resist detonation and burn evenly when subjected to high pressures and temperatures inside an engine.

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Get more facts and information about gasoline . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: How is the quality of gasoline determined? What is an octane number? What makes gas higher quality? [ Hide these questions ]

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