Originally Posted by
DntWorryB.Happy
How come they wont? i thought thinner tires decreased rolling resistance. Im not expecting to go 10 MPH faster, but any gain is better than nothing
There's a grain of truth in that statement but not enough to make it true. Once you get over about 15 MPH on a smooth flat road, the energy that's required to push your torso through the air exceeds all the other factors holding you back combined.
I can provide a (much) longer answer if you're really interested.