In a response to high gas prices, some drivers are slowing down to reduce fuel consumption. Cars are most fuel efficient at speeds from 30 to 60 mph. Efficiency drops sharply at speeds above 65 mph as engines work harder to overcome wind resistance which rises exponentially. If everyone drove 60 mph instead of 70 mph, demand for gasoline would drop 2 to 3%. This would result in a 10% reduction in the price of gasoline.
Source USATODAY
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