A Secretive Start-Up Raises the Curtain

The New York Times:
"One byproduct of fuel cells is water, and Bloom has patented and proved a fuel-cell design that could also tap electricity generated by solar panels and wind farms to electrolyze water to produce hydrogen that could be used as fuel in the cell.
“That’s the killer app,” said Mr. Sridhar, who said such a product probably would introduced within a decade."