The Shawshank Redemption may be a work of fiction, but one poignant (and apparently poop-filled) scene held a certain aura of authenticity. According to director Frank Darabont, the “glorious moment” ...

How many homes could be heated by cow muck? It is not a question I have thought about before, but as Britain searches for sustainable sources of heat, many farmers are looking, well, right under their ...

More than a decade ago, California helped spark a boom in biofuels — produced from plants or animal waste — with its first-of-its-kind Low Carbon Fuel Standard. The program forces carbon-intensive ...