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Old 01-16-2008, 03:38 PM   #4 (permalink)
basjoos
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Join Date: Dec 2007
Location: Upstate SC
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Aerocivic - '92 Honda Civic CX
Last 3: 70.54 mpg (US)

AerocivicLB - '92 Honda Civic CX
Team Honda
90 day: 55.14 mpg (US)

Camryglide - '20 Toyota Camry hybrid LE
90 day: 62.77 mpg (US)
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Concrete pavement is the best, followed by smooth asphalt, gravel asphalt, brick/cobblestone, gravel, no pavement (grass, dirt, mud, sand, etc.). Your mileage losses on bumpy surfaces is caused by the energy lost by the movements of the suspension system.
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