Though the FCX Clarity is the first hydrogen powered car to be used as a generator, it joins the Nissan's Leaf To Home system and Mitubishi's MiEV Power Box as power supplies on wheels.

Honda showed ... sedan utilizes a 1.5-liter Atkinson cycle four-cylinder engine and two-motor hybrid system. In most scenarios, the gasoline engine, connected to the generator motor, produces ...

At the ACT Expo, Honda had a scale mock-up of what a hospital-sized hydrogen backup generator could look like – and hinted that such an installation might soon become a reality.