We often hear alternatives fuel
sources referred to as "clean," but that's not exactly the case for this modified 2004 Volkswagen Beetle
. The Bio-Bug has been converted to run on methane gas generated during sewage treatment. As our guest from Geneco
waste solutions in Bristol, England so eloquently put it, this is a "poo-powered car." In case you were wondering, that's the smell of sustainability in the air.