Originally Posted by
B. Carfree
No, actually. All else equal (don't compare some rigid Schwalbe thing to a nice supple tire), a wider tire will have lower rolling resistance than the same tire in a narrower width.
Yes, but all else isn't equal. Specifically, one cannot run a wide tyre at the same pressure. My touring bike tyres will in practice have much greater rolling resistance than the 23mms on my road bike that I run at 110 psi.