Bloom Energy, Samsung Heavy to Power Clean Ships With Fuel Cells

Fuel cells have so far failed to gain traction on the road as a clean way to power cars. Bloom Energy Corp. is betting they’ll work better at sea.

The fuel cell maker will collaborate with Samsung Heavy Industries, one of the world’s largest shipbuilders, to develop cargo ships powered by the cells, which use an electrochemical reaction to generate electricity. Cargo ships typically burn heavy fuel oil, and the International Maritime Organization has mandated rules requiring lower emissions at sea starting next year.

“There’s clearly a sense of urgency for ship manufacturers to reduce emissions,” said Preeti Pande, ...