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Old 01-21-2021, 09:54 AM   #4 (permalink)
Vman455
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Quote:
Originally Posted by aerohead View Post
* A delta- Cd 0.01 = delta- 0.01 mpg, Re: GM Sierra / Silverado pickups, Frank Meinert, G.M. Pickups, to Edmunds.com, 2012.
Correction:

Quote:
GM's Meinert estimates that drag coefficients have improved about 30 percent in the past 32 years. A drag improvement of 0.01 equals a fuel economy increase of about 0.2 mpg in a typical car and about 0.1 mpg in a typical truck.
Here's the article.
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