Premium Gasoline More Important for Small Engine Power

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New York Times - June 28, 2013

One would believe that as engines decrease in size and fuel econ­omy improves, that the cost of dri­ving will decrease as well. This is not always true. In a size­able amount of new vehi­cles, the meth­ods used to squeeze equiv­a­lent horse­power from smaller engines have man­u­fac­tur­ers point­ing cus­tomers toward premium-grade gasoline.

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