General Motors car division. Latest news about the GM cars. http://www.supercarnews.net/gm en-us Blog 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 ... http://www.supercarnews.net/2006-gm-jay-lenos-turbine-powered-ecojet-concept