2002 Chevy Silverado 50000 miles
If all other factors are held constant, does fuel economy (number of miles per gallon of gas) increase or decrease with an increase in engine RPM? For example, is fuel economy lower at 3,000 RPM as opposed to 2,000 RPM or 1,000 RPM?
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Sunday, December 2nd, 2007 AT 6:29 PM