FE guage as grade detector. useful?
Watching the mpg display I've gotten real good at identifying which way roads slope even when they look flat. A long stretch of seemingly perfectly level farmland will reveal a 4mpg difference going opposite directions with no wind.
Is there any way to exploit this?
Since all trips are a closed loop to my house eventually I have to climb just as much as I fall. Avoiding steep climbs is obvious but has anyone successfully used rerouting or any other technique to take advantage of these subtle slopes?
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