This is a two-part project originating in Australia. The first is a Melbourne-based effort to collect dog droppings and turn them into biogas for local use. The secondary effect would be to alert dog ...

Greg Langmo’s work is the centerpiece of America’s Thanksgiving dinner table. But finding a use for the by-products of his family-run turkey farm near Litchfield, Minn., has long been a challenge for ...

Human waste is certainly plentiful, but clean? In fact, it is -- if used the right way. That's why some British utilities are planning to harness the biomethane gas produced at sewage treatment plants ...

It’s official: Cargill’s new energy idea is a bunch of crap. Minnetonka-based Cargill Inc. late last year fired up an $8.5 million anaerobic digester and generator facility that transforms turkey ...

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 ...