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Rolling hills... whats the best way to drive them?
I have 20 miles of rolling hills to drive... just about equal parts up or down with no stoplights.
I can:
1. Coast down each hill in Drive (my auto will decelerate going downhill but will use 0gph), then accelerate up the hills under a load
2. Coast down each hill in Neutral (my auto will not decelerate, but will burn idle fuel at about .25 gph), then accelerate up the hills under a load, but with a better entry speed...though the manual shifting of an automatic does worry me.
3. Accelerate moderately down hills with very little load, then coast up the next one as much as possible.
Thoughts?
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