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Old 07-25-2012, 02:10 PM   #3 (permalink)
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Join Date: Sep 2010
Location: Denver, CO
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Colorado - '17 Chevrolet Colorado 4x4 LT
90 day: 23.07 mpg (US)
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Cd is just the coefficient of drag. To calculate the loss, you have to factor in the frontal area, so a Tahoe may have a fairly low Cd, but it's still as big a barn door and costs more fuel to push it through the air.
I'm not coasting, I'm shifting slowly.
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