I like the presentation of the info. Makes it easier for others to see that if you slow down, you use less gas.
Now only if I could get away with driving 40MPH on the Highway. In MN, the lowest allowable speed on the highways is 40mph, but that is asking for serious trouble since most people go about 10MPH above the speed limit.
Example:
55mph limit means go 65
60mph limit means go 70
70mph limit means mash the go pedal till you see God, then slow down a little.
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