100 mpg with off-the-shelf technology? Jack McCornack isn’t crazy, he just believes cars can have a lot better fuel economy than we’ve settled for historically. Enter MAX — the Mother Earth News entry in the Auto X Prize competition, a $10 million race for practical cars that achieve 100 mpg. MAX may not win the Auto X Prize, but it will prove a point that 100 mpg is within reach without futuristic technology. This article details MAX’s origins and the early stages of its development.