WASHINGTON - The brakes are controlled by a computer, so the car can stop a full length shorter than most. Each rear wheel has its own motor and can turn by itself, which not only improves traction but also makes parallel parking a snap. And the only thing this car emits is water vapor.

But for all the exotic gizmos on the Sequel, an experimental hydrogen-powered car to be shown today by General Motors Corp., the biggest breakthrough is that it is designed to drive as far and accelerate as quickly as the cars in most driveways.

Complete article: Automakers put hydrogen on fast track (MSNBC)