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Re: way better gas mileage... do the math. Posted by JimBlake [Email] ![]() ![]() ![]() In Reply to: way better gas mileage..., nola mike, Mon, 5 Jun 2006 09:44:29 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Aerodynamic drag goes roughly with the speed squared.
(75/85)^2 = .78 or 22% less drag.
If you had used 22% less gas than normal, that would have been about 32 mpg.
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