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Tweets on Cars: Time for a do-over...

By Karl Brauer | on 09/14/2009 10:25 AM

Time for a do-over on how we show energy use in vehicles. MPG was never perfect, but with alternative energy coming it's officially useless.

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By estreka

on September 14, 2009
11:01 AM

I think an annualized mileage cost, or AMC, would be a better guage of performance. Assume 12K miles, (6K city, 6K highway, and 1K hours at idle for bumper-to-bumper traffic), and develop a cost equation based on current energy prices.
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By editor_karl

on September 14, 2009
09:48 PM

EXACTLY! Cost issues are more important (and more easily understood) than strict energy measurements. A smart window sticker would offer both (though the energy measurement should not be in MPG).
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