http://www.stumbleupon.com/su/20NKRi/www.npr.org/blogs/thetwo-way/2010/02/in_michigan_homeless_pedal_and.html?ft=1&f=103943429/r:tThis is my idea. That people can literally earn money (or room and board perhaps) by generating electricity. Eventually I expect people to have something in their homes that will do the same, if only to say, power the TV or lights. Hell, they can sell the carbon credits they generate and make money.