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A lot of new cars are "Flex-fuel" and will take literally anything short of diesel. They just adjust timing to the octane rating.

In the bay area there's a lot of E85 fuel stations which are ~half the price per gallon (~$2.50) and work with these cars. Slightly less milage but the price difference more than makes up for it. If your car has the 'flex-fuel' sticker you may as well take the cheaper fuel imho.



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