"The Avion" by Craig Henderson with designer Bill Green. 1984 it first appeared, 103 miles per gallon...Mexico to Canada on 1 tank of fuel! 1st engine VW Pickup Diesel..current engine- 3 cyl. Smart Fortwo, mid engined home built streamlined, fiberglass body, aluminum chassis with subframes. 1,500lbs. Built to show current technology can be used to achieve incredible fuel efficiency.