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That chart says rolling resistance doesn’t change with speed, but in another thread peiple were saying it goes up with speed but just at a much smaller degree
Another confusing thing is that Julian Edgar said that wind resistance doesn’t actually increase until you hit about 37mph
But I agree, slower on shorter trips is much better and losing a few minutes. But if you’re driving 900 miles in a day, the difference in time between 55 and 80 is huge!
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