Quote:
Originally Posted by MetroMPG
Killing the engine while coasting is an advanced technique that should only be learned away from traffic, and it's not suitable for every car.
That said, you could expect gains of about 10% if you consistently shut the engine off where you currently let it idle while stopped and when coasting.
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wow 10% seams high for just cutting out idle , how about re-start ?
oh i mean rolling idle