GM--its market share dropping like a heavy molecule, its bonds near junk, its vehicles piling up in dealer lots-is making its single biggest research bet on developing a hydrogen-powered car.

FORBES: Magazine Article

This week it unveiled a prototype version of its 7-Series saloon car that has a hydrogen-powered engine.

ECONOMIST: Hydrogen-powered cars

If hydrogen powered cars are next in the evolution of the automobile, the City Car could be the step after that.

CNN: Reinventing the wheel