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qjkxbmwvz , 11 months ago The density of air depends on temperature (and humidity, among other things). A huge source of loss at freeway speed is air resistance, so lower density due to higher temps should improve mileage.
The density of air depends on temperature (and humidity, among other things). A huge source of loss at freeway speed is air resistance, so lower density due to higher temps should improve mileage.