Reclining Truck Cab
When the rooms roll around.
Atropos : An Aeorodynamic Converting Hybrid Semi Truck at Tuvie.com. Designer : Peter Azzouni.
Yeah, well, aside from the hybrid part, the truck is sleek looking, but if you scroll down the page, you find the rotating cab which allows the driver and driver's seat to fully recline. Ingenious economizing of interior space.