Question: Do E-cars solve our transportation CO2 emission problems? Use dimensional analysis to determine what percentage of CO2 emissions are eliminated by switching from a 40mpg

Do E-cars solve our transportation CO2 emission problems? Use dimensional analysis to determine what percentage of CO2 emissions are eliminated by switching from a 40mpg car to an e-car. FACTS: 0.85lbsCO2 emitted per KWH in the US E-cars use an average of 35KWH per 100 miles My Prius gets 40mpg on short trips or 2.5 gallons gas per 100 miles 20IbsCO2 produced per gallon of gasoline consumed. Compare pounds of CO2 per 100 miles for e-car and Prius. What percentage of gas car CO2 is saved by using an e-car (or gas car)

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