Data centers often get described as power hogs. But hogs, cows or other livestock might actually be the power source of the future for these energy sucking facilities. Researchers at HP Labs released ...

At barn No. 5 at the Larson Dairy farm just north of Lake Okeechobee, a line of cows pump out milk bound for grocery stores shelves and family refrigerators across Florida. Being cows, they are also ...

As Kenya seeks new clean sources of energy, it has turned to the sun, the wind, the earth's heat and its organic matter. Now it has its eye on an additional source of power: Human feces. Abundant and ...

The stench of clogged toilets fills the air at the US capital's wastewater treatment facility. And for good reason -- it's one of the world's largest projects to transform human waste into electricity ...