Quote:
Originally Posted by BHarvey
If your car at idle uses .25gph and you engine on coast for a mile downhill at a constant 60 mph, you have then used only .00416 gallons of fuel. That equates to doing this 240 times 'engine off' to save a gallon, or eternal vigilance!
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If you can maintain the 60 MPH coast speed while in gear using DFCO then 0.00 gallons consumed, same as engine off coasting.
