Originally Posted by
Spektrewing386
recently there has been talk about making most speed limits to 55mph. They say it is to save gas. But, what ive experienced is that I have to have my foot always on the gas just to maintain 55mph, while if im going 55+ i can use my momentum (mass*velocity) to maintain cruising speed and dont even have to touch the gas for about 10 seconds before I have to push the pedal again.
So what method uses more gas?
keep your foot on the gas to maintain speed because you have little momentum
go faster, but use your momentum to allow you to coast for a while
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