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Old 04-06-2008, 02:47 PM   #1 (permalink)
Cd
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Is aero. vs. MPG change linear ?

If you have two identical cars, but one gets 10 MPG and the other 100 MPG, how will the change in fuel economy be affected by a 50 % reduction in drag ?
Is there a set figure, or does the amount change based on the initial MPG figure ?

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