An Air-Powered Car by 2009? Dont Hold Your Breath - Wheels - Autos - New York Times Blog: "Founded by Guy Nègre, an engineer and inventor, M.D.I. has been working on its compressed-air engine for more than a decade. And according to the BBC, Mr. Nègre has been promising a breakthrough for nearly as long.
Guy Negre air carGuy Nègre, head of French company MDI, sits behind the wheel of one of his cars, called the MiniCAT, which runs on compressed air, producing zero emissions."

Guy Nègre, head of French company MDI, sits behind the wheel of one of his cars, called the MiniCAT, which runs on compressed air, producing zero emissions. (Photograph by Eric Gaillard/Reuters)