Self-Balancing Wonderbike One-Ups the Segway

May 8 (Bloomberg) -- Portland-based Ryno Motors has set a launch date of January 13, 2013 for its electric Ryno-cycle. The one-wheeled, self-balancing vehicle has a range of up to 20 miles and a top speed of 20 Mph. It is estimated to cost $4,500 when it hits retail after the new year. (Source: Bloomberg)