it makes the rider live a healthier life; and it makes those arround him healthier too. 
0.01% emision 


-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
-
-
& w/minimal effort on the rider's part, enough 'clean' fuel is created to to power this simple machine.
du'hThanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.