Two of the hydrogen fuel cell vehicles are the Toyota Mirai and the Honda Clarity. Both manufacturers have spent considerable amount of money over a very long period of time. There are other vendors such as Hyundai
Here is more information on the Hydrogen efforts
The Hydrogen Council is a global initiative of leading energy, transport and industry companies with a united vision and long-term ambition for hydrogen to foster the energy transition.
California Hydrogen Business Council is an organization that is seeking to get more businesses open to utilize this technology as well as create more fueling station.