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I was also wondering about tire & wheel weight and rolling resistance, vs fuel economy.
I know that a heaver tire and wheel package always takes more energy to get turning and to stop.
What I don't know is about the effect of tire weight on CRR. Can tires that weigh less have a lower CRR even if they are not engineered to be LRR tires, as opposed to outright heavier LRR tires.
In this comparison I'm looking for the amount of energy to keep a tire turning as opposed to getting it turning.
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