24 May '12, 4pm

Does 31 MPG Really Equal 102 mpg?

Nothing wrong with the math, in fact miles per dollar of fuel cost is the only way to compare mileage between diesels, natural gas vehicles, EV's and hybrids. We have been all through this before, but lets recap: Average vehicle on road today gets about 23 MPG. The cost in California for regular gas is about $4.00. So what most of us are driving now gets less than 6 miles per dollar. Now lets compare to a Leaf. It goes about 75 miles on about 24 KWh of charging energy. And lets assume the price is .15 per KWh. So the Leaf gets about 21 miles per dollar. Now with hybrids, the miles per dollar changes with the mix of fuels and that changes with the miles driven. So lets use a 50 mile distance, knowing that our numbers will change if we pick 100 miles or 200 miles. In a Volt we would go about 35 miles using 10 KWh of charging , plus 15 miles at 37 MPG for a combined cost of a...

Full article: http://www.hybridcars.com/news/does-31-mpg-really-equal-1...

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