The PUMA sits on its main and front auxiliary wheels when at rest.
Back to 2009 New York auto show coverage.
With a top speed of 35 mph, it really gets moving.
Safety bars on the sides make getting out seem like exiting a roller coaster.
The two rear wheels are for safety, and generally aren't used.
The cabin can hold two people, but no cargo.
Pushing the steering column forward makes the PUMA go.