The following cars represent the most technically advanced available.
The world needs a lot more hydrogen refuelling stations before a fuel-cell car makes practical sense, but when the world is ready, Volkswagen has not one but two cars primed for production.
At the 2012 Paris Motor Show, Nissan's TeRRA SUV Concept is keeping alive the idea of hydrogen fuel-cell powered cars. But what most impresses CNET's Wayne Cunningham is a technology that uses an iPad-like device that serves as a key to power the car.
The U.S. Navy's Office of Naval Research plans to launch a 24-hour, hydrogen fuel cell-powered endurance flight carrying a 5-pound payload.
New Holland Agriculture has developed the impressive NH2, the world's first hydrogen-powered tractor.
Angstrom and Motorola have a prototype phone with a fuel cell that gets its power from water molecules.
We'd love to recommend this innovative technology, but at this early stage the Upp fuel cell charger is just too cumbersome and too expensive.
Pricing not available
Chevrolet Equinox SUVs that run on hydrogen fuel cells are going into the hands of consumers for real-world testing in three big cities.
Brian Cooley takes a drive in Toyota's Mirai hydrogen fuel cell car and explains why the company is putting its faith in the technology.
The market isn't ready for fuel-cell cars, but Volkswagen is. This is the hydrogen-powered Passat HyMotion.
Audi showed off a new development vehicle at the Los Angeles Auto Show, a fuel cell-battery hybrid car called the A7 h-tron.