Can New Waste Treatment Make Energy and Profits from Sewage Plants? Most Americans flush the toilet without thinking twice about where the contents end up, but a handful of companies are paying close attention to what goes down the drain.
They argue it should be seen as a resource rather than waste. Dealing with human waste is a tricky business. Getting more electricity from sewage: just add gold? Toilets in skyscrapers: energy source? Human waste now heats British homes. Energy: From Poop To Power - Forbes.com.