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 ...

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 ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Data centers often get described as power hogs. But hogs ...

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 ...