Official Word:

LAS VEGAS - What would keep a group of automotive designers up all night? "Tonight Show" host Jay Leno, for starters, but not by his monologue or parade of Hollywood guests. This time it's because the late-night talk show host invited the General Motors Advanced Design Studio to help design a mid-engine, turbine-powered supercar called EcoJet. Leno and Ed Welburn, GM vice president of Global Design, introduced the car today at the Specialty Equipment Market Association...Read.