Okay, someone's finally done it. Question is, what took so long? Never dreamed poop could get you blazing down the asphalt? Well, now it all comes true as Japan's biggest toilet maker, TOTO, takes the toilet on the road with its launch of the Toilet Bike Neo, a bike that's powered entirely by human waste. The bike runs on biogas converted from feces that is harvested directly from the driver -- who sits on the bike's toilet-styled seat.