A Japanese manufacturer of toilets has assembled a trike that is powered by biogas as a promotional tool. This vehicle features a toilet bowl on which the driver sits. The toilet is thankfully not connected and is for aesthetic purposes only. The rm, TOTO, has called its vehicle the ToiletBike Neo Project, which forms part of the TOTO Green Challenge, the rm's aim at reducing CO2 emissions from bathrooms by 50% by 2017, compared with levels recorded in 1990. Other interesting features of the ToiletBike Ne