Feces could be the fuel of the future, scientists say

Poop may be the power of the future if scientists at the U.S. Department of Energy’s Pacific Northwest National Laboratory have anything to do with it. Researchers have developed a way to convert sewage sludge into a form of crude oil called biocrude by pumping it through a pressurized tube, the PNNL recently announced.Here’s how it works: inside the tube, the pungent mixture is heated to about 650 degrees Fahrenheit and squeezed at pressures of 3,000 pounds per square inch, accordin