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Quote:
Originally Posted by mataap
I have a big downhill run on the way home, and I don't like dragging my brakes on it to hold to the speed limit, so I sacrifice some fuel economy by engine braking.
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If your car cuts the fuel flow when the accelerator is released (DFCO), you don't really sacrifice fuel economy as it won't use any going down - but you won't reach the terminal velocity that gets you further up the next hill though.
Hypermiling should never reduce road-safety.