In fact, the federal government mandated in the 1990s that MTBE be blended into gasoline to increase octane and improve combustion.
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Regular gasoline has an octane rating of 85-87.
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The gasoline must have the proper octane, and it must have the proper Reid vapor pressure (RVP).
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These engines use gasoline or diesel, and both fuels are full of chains of carbon atoms known as octane.
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