In one of those weird coincidences, I was searching for something completely different when this car popped up unexpectedly.
It's called the H2EV, made by Microcab, a niche vehicle company based in Coventry, with connections to the University there.
It can be configured as a car, light van or taxi, and as shown it is powered by a 3kW fuel cell, or it can be set up with a conventional rechargeable battery system.