A Seattle startup hopes that in the near future, every time you flush your toilet you help power your car.
Vitruvian Energy has developed technology that turns biosolids – the dirt-like material left over once sewage has been treated at a plant and the inert water returned to the watershed – into biofuel. Right now the company is crowdfunding to launch their fuel locally.
It takes about 53 pounds of biosolids to make a gallon of EEB, Vitruvian’s biofuel. The biosolids are run through a series of biological and chemical steps to go from a dirt-like material to a clear liquid that has a sweet smell.