Thread: Interstate cement more effecient
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Old 03-27-2012, 09:41 PM   #3 (permalink)
TheEnemy
The road not so traveled
 
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Join Date: Jan 2010
Location: New Mexico
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The Truck - '99 Nissan Frontier xe
90 day: 25.74 mpg (US)

The Ugly Duck - '84 Jeep CJ7 Rock crawler
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Yep

Rolling Resistance

Part way down has a chart. Car tires on concrete have about half of the Crr as car tires on asphalt.
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