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You're right. I use the same route on the way home and enjoy the benefits of the downhill. I DFCO for the first half, and then uppshift to coast in gear the rest of the way. (If I coast in gear the whole way, I'd go too far over PSL than I'm willing to do and would have to brake).
I guess what I meant to say is that I have a steep uphill followed by a flat. I figure there are two choices:
1. DWL up the hill, and re-accelerate up to PSL when I reach the flat. This is what I have been doing.
2. Give it more throttle before and during the hill, so that I crest it at a speed closer to my target and do not have to accelerate back to speed.
My gut tells me that the most efficient option has a lot to do with variables such as steepness, length of the hill, and BSFC to such an extent that there may be no
'rule of thumb.'
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