Yes, that kind of human waste.
SAN ANTONIO (Reuters) – San Antonio unveiled a deal on Tuesday that will make it the first U.S. city to harvest methane gas from human waste on a commercial scale and turn it into clean-burning fuel.
San Antonio residents produce about 140,000 tons a year of a substance gently referred to as “biosolids,” which can be reprocessed into natural gas, said Steve Clouse, chief operating officer...




