Your average fuel cell powered car is something like the Mercedes B Class F-Cell: tiny, light and hugely efficient. Nissan is trying to break that rather restrictive preconception with its latest concept, the Terra. Like its cross-prefixed predecessor, the Xterra, and similarly quirky Juke, the Terra is designed to take the rougher road while cosseting its occupants in a particularly trick interior featuring both a dashboard that's actually a removable tablet. The idea is you can take it inside and keep tabs on your car, but we wonder what happens when you leave it sitting by the bed as you groggily stagger out to your vehicle in the morning. Impractical concept car interior