A new addition to the half-motorcycle, half-indycar genre (joining this one , and this one), the SUB3Wheeler is the work of GM and Renault designers on their off-hours. The three prototypes are powered by 135hp Suzuki twin engines, mated to six-speed transmissions, and are registered as motorcycles, meaning no airbags. We're pegging this street kayak as a red-zone candidate on the Jalopnik Fun-o-Meter(TM).
Formula Three: Design trio finds happiness on three wheels [AutoWeek]