Thermodynamics: An Engineering Approach 6th Edition, Yunus A. Cengel, Michael A.

Question

Thermodynamics: An Engineering Approach 6th Edition, Yunus A. Cengel, Michael A. Boles, problem 2-45E, One way to improve the fuel efficiency of a car is to use tires that have a lower rolling resistance-tires that roll with less resistance, and highway tests at 65 mph showed that tires with the lowest rolling resistance can improve the fuel efficiency by nearly 2 mpg (miles per gallon). Consider a car that gets 25 mpg on high rolling resistance tires and is driven 15,000 miles per year. For a fuel cost of $2.20/gal, determine how much money will be saved per year by switching to low rolling resistance tires.

Explanation / Answer

Thermodynamics: An Engineering Approach 6th Edition, Yunus A. Cengel, Michael A.

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