Quote:
Originally Posted by basjoos
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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I'm willing to bet grooved concrete doesn't fare as well (perhaps between smooth asphalt and gravel asphalt).... The noise itself is an indicator of energy losses....