It's more than just a car, it's a way of life.
Honda unveils a concept for its FCX Clarity replacement and Toyota Mirai fighter at the 2015 Detroit auto show.
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.
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 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 Audi A7 h-tron was a surprise addition to the 2014 Los Angeles auto show, demonstrating the work Audi has been doing with fuel cell technology.
Turning hydrogen into juice for your phone is as eco-friendly as it gets, but our pictures show the big problem with the Upp fuel cell charger.
Toyota isn't exactly pricing its first hydrogen fuel cell vehicle to move. But it does appear to be price competitive with the Tesla Model S.
In addition to a new hydrogen fuel-cell model coming next year, Honda outlines its plans for new battery and hybrid cars by 2018.
Moon Express is gunning for the $20 million Google Lunar XPrize. We went down to Florida to watch a test of the team's lunar lander and to get an early look at its historic new facility.