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diff: "Gravity works on your side when your using the gasoline, on the pulse, and you defy gravity by gliding up and not using gasoline."
I think it's six of one, half dozen of the other. Momentum is momentum. I'm converting chemical energy into motion, and the amount of work required to send the car over the hill is the same, regardless of when I do the conversion.
"this would only work if gravity and rolling resistance weren't a factor."
I don't understand how RR becomes a factor, because it's the same whether I'm going up or down, and it's the same whether I'm coasting or under power.
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