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.
The following cars represent the most technically advanced available.
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.
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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.
Decades of progress creating conventional computer chips will stall in the coming years, forcing some far-out ideas on semiconductor makers. Carbon nanotubes or quantum computing, anyone?
Angstrom and Motorola have a prototype phone with a fuel cell that gets its power from water molecules.
Chevrolet Equinox SUVs that run on hydrogen fuel cells are going into the hands of consumers for real-world testing in three big cities.
The MyFC Jaq uses one-use plastic cards to create electricity from hydrogen. Could this be how gadgets are powered in the future?
At the 2015 International CES, Toyota hopes to usher in the age of hydrogen fuel cell cars by giving other companies royalty-free access to 5,680 patents.