Which tire configuration use more fuel?

[Tamago]

Originally Posted by why?

I think that with most tire manufacturers finally actually listing tire weight, go check that out, it will make more of a difference then sidewall anyways.

Lighter is always better when it comes to gas mileage.

so you think a lighter tire that's wider would save gas over a slightly heavier/skinnier tire?

are we skipping the physics class where we talk about rolling resistance ?