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Old 08-27-2008, 06:31 PM   #19 (permalink)
whokilledthejams
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Join Date: May 2008
Location: Fredonia, NY
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Boxy Brown - '04 Scion xB
90 day: 35.48 mpg (US)
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Quote:
Originally Posted by aerohead View Post
For the EPA composite cycle,a 10 % change in weight would yield only a 3.8 % difference in MPG.Less than 6 % for the 15 % difference.There must be something other than weight to account for the 12-mpg differential.
Drag and gearing, probably.
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