Video: GM and Segway's P.U.M.A. Two-Wheeler Concept in Action

General Motors and Segway unveiled an early prototype of a carbon-free, battery-powered two-wheeler vehicle that can accommodate two passengers at a press event preceding the 2009 New York International Auto Show. Called the P.U.M.A. Project that stands for Personal Urban Mobility and Accessibility, the two-wheeler is a more-practical and vehicle-like proposal (or motorcycle in a twisted, 90-degree sort of way) than the original Segway. Though the 'naked' prototype is fully operational, don't expect to see a production version any time soon.