Rising demand is giving biogas a big lift

Those Bloom Energy fuel cells that eBay said it will use to power its new data center in Utah? They'll run on natural gas. Likewise most Bloom Boxes going in these days.

Brick-sized device could power a home, says Bloom Energy

Silicon Valley start-up Bloom Energy has unveiled the Bloom Box, a domestic fuel cell system that it says is simple and cheap to run. But it's not expected to be available for up to ten years.