Quote:
Originally Posted by Jim Straz
This data is for a Prius car.
Electric .03 per mile-vs-Gas .09-.13 per mile
How much will the electricity cost? The Prius conversion requires around 300 watt hours per mile driven. To determine how much you will spend on electricity, check your electric bill and see how much you pay per kilowatt hour. Multiply that amount by .3 (that's "point three") to determine your electric cost per mile. In 2006, the U.S. the average cost of electricity was $.0986 (that's 9.86 cents) per kilowatt hour so the cost per mile based on this average would be three cents per mile.
How does this compare to the cost of gasoline? Toyota states the combined (city/highway average) MPG for the Prius is 46 miles per gallon. As of October 2007, gasoline was between $2.37 (lowest) and $3.69 (highest) per gallon. This means the Prius gasoline cost per mile is between $.05 and $.08 per mile. If you drive the U.S. "average" car (based on 2007 CAFE fuel economy average of 27.5 miles per gallon) your gasoline cost per mile is between $.09 and $.13.
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Jim, would it be fair to also factor in the life expectancy/cost of a replacement battery pack on the Prius - - - as well as the same for the battery on a conventional car (to help keep things equal)?
Bill
