This is a very interesting car, and a very interesting business model - the Riversimple Rasa: It is about 3X more efficient than the Toyota Mirai. It is four wheel drive, and seats two people. It is about 1,200 pounds. It is lease only - and includes all the hydrogen. They are working on a four seat version: ... and a small van:
Hydrogen fuel aside, I like the design goals and business model. It's a bit like running on an undersized range extender. If you hit a very long hill climb, you may be forced to pull over and recharge your supercapacitors a bit from the fuel cell before resuming your journey. Sounds perfect for Wales.