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Flat route to maximize efficency

5131 Views 6 Replies 7 Participants Last post by  deeks
Maybe put his under the gamification of driving. What are your thoughts choosing a route based on elevation change and slope? I watched a Top Gear episode a few years ago where they debated what was best for fuel efficiency - flat or 'what goes up must come down'. I found a website,, that maps a trip and has elevation and slope but you have to do some calcs to get totals.

My guess is that it is a wash due to commutative law [minus system efficiencies] but wonder if anyone played around with this as part of driving strategies. I have a trip in a few weeks over the continental divide and choosing a route.

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Surprised your GOM does not read higher-must be the outside air temp.Despite hills here (Big Island) where generally we use HOLD on uphill return home,going into town on downhill sometimes uses 7 e miles to do 22 actual.Of course,moderate driving/slower speed limits & that warm outside temp.helps a lot.The uphill on electric is somewhat disheartening,and our solar/batt. system load is a concern to avoid using Utility power.When batteries are eventually replaced we will have better and more of them.
Don('17 VOLT LT)
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