BYD will be showing of the world's first production plug-in vehicle, and whil it won't be available in the U.S. until 2011, it's pretty impressive that China managed to beat both the U.S. and Japan to the punch on plug-in hybrids.
Fisker, will be unveiling it's production plug-in Karma. The car, which made a huge splash last year in concept form, is like a cheaper, more practical, more beautiful Telsa Roadster.
Toyota will be unveiling the 2010 Prius, which, according to reports, will be restyled, larger and have better gas mileage than ithe current version. They'll also be discussing the plug-in Prius, and an all-electric car (the FT-EV) based on the iQ.