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Old 17th Apr 2011, 17:31
  #67 (permalink)  
Join Date: Feb 2008
Location: Ann Arbor, MI
Posts: 11
The mathematician's savings don't come from not using the brakes.

They come from reducing engine power early (coasting) instead of maintaining power and speed until later.

Basically, all other things being equal (acceleration, top speed, distance), you save fuel by getting off of the gas sooner.
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