Wind and sun power have to be the way of the future. I mean even if we can get corn or other products to produce 100% energy, I don't think that we can produce enough energy today to give every person on the planet the same comforts that I am used to in my daily life.

http://www.inhabitat.com/2007/07/17/flying-wind-turbines/

Wind turbines dreamed up in that article may just be one of the ways of the future. If they can get past government regulation and the oil company lobbyists.