The Nissan Leaf, the Chevy Volt and the Toyota Prius dominate today's fuel-efficient news stories, but other vehicles are quietly making their mark on the industry. One such vehicle is the Avion.
Back in 1984, Craig Henderson and Bill Green built a one-of-a-kind super fuel-efficient car called the Avion. In 1986, it set the Guinness world record for fuel economy by averaging 103.7USmpg ...