Jay Leno and Donald Osborne assess cars that run on anything but gas

5:45 PM ET Fri, 9 Feb 2018
Jay Leno meets up with Donald Osborne to take a look at vehicles that get their fuel from alternative resources. They look at a 1979 Mercedes-Benz 300D that runs on bio diesel, a 1998 Morgan Plus 8 which is fueled by propane and a steam powered 1953 Paxton Phoenix.