If you have $60,000 to spare and like to show off to your neighbors, ClearEdge Power may have the product for you: a giant fuel cell that can power up your house, and perhaps take you entirely off the grid. Bloom Energy burst onto the clean energy scene last year with the Bloom Energy Server (you know it as the Bloom Box), a so-called fuel cell "power plant in a box" that can run on natural gas, hydrogen, or biogas. Bloom has cornered the big business fuel cell market, with installations at eBay's headquarters, multiple AT&T sites, Adobe's headquarters, and more
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