The other Cafe Racer: Chicken John's woodgas truck.

From Futureboy:

"Burning Man artist Chicken John announces he's running for Mayor of San Francisco. I would not be the one to draw a connection between the two -- that, dear reader, is all in your mind. Chicken created the Cafe Racer, as seen in this splendid above photo, which is a 1975 GMC woodgas powerd truck that runs entirely on coffee grounds. (It's basically old-school gasification, that carbon-free, trash-destroying technology.

Okay, need your bike picture fix? here is a vintage photo of a woodgas powerd bike built in France during wartime fuel shortages..