Quote Originally Posted by Evil Goat
proof? besides the fact that we all know that everyone will never be able to come into unison to do it.....
Would you like proof from the Department of Energy?

http://www1.eere.energy.gov/consumer...rgy_savers.pdf
(pg 33)

Maybe Nascar appeals to you?

http://www.nascar.com/2006/auto/07/25/tires/

Uniroyal and the Rubber Manufacturers Associan

http://www.uniroyal.com/about/articles/09152005A.html

Michelin, ever heard of them?

http://www.swampfox.ws/node/26318

Plenty has been said by the government as well, under the Bush administration

http://www.gao.gov/htext/d07246r.html

And on a personal note, I recently got my tires changed and inflated.. seeing about a 4mpg increase. I'm sure when you're driving vehicles that struggle to get 20mpg its hard to comprehend efficiency but yes keeping tires inflated in the grand scheme of things makes a huge difference in our dependency on oil.