Name a car that can drive into a body of water (or human body) without causing much harm? No, this isn't an automotive riddle. It's the vision of Doug Ballard and his Spira foam car. Name a car ...

The car was the Spira at the time, and it made it to the round-of-four in X-Prize competition. Its inventor, Lon Ballard, created the vehicle for the sole purpose of lowering the number of road ...