Mercedes won’t have the fuel cell concept silliness to itself in Tokyo, as Toyota will be showing off its Fine-X – or Fuel cell Innovation Emotion eXperiment.
Quite a lot less real-looking than the Hygenius, the Fine-X manages the current concept-car trick of turning around in its own length (like the Peugeot Moovie and Nissan Pivo, but utilising a different bag of tricks):

On-the-spot rotation, and the ability to easily perform parking and U-turns, is afforded by the combination of four-wheel independent drive, four-wheel independent steering and a large-steering-angle steering mechanism with electric in-wheel motors housed in each of the four wheels.