The Rocky Mountain Institute has been working on a 100 mpg Hypercar since 1994. There are constant updates. Volkswagen and Detroit have made the choice to ignore 11 years of advanced research. Read for yourself: http://www.rmi.org/sitepages/pid390.php
Very interesting site with informational pages. I enjoyed the read. Thanks for the post. You're right, it's a shame that many people have turned their noses against such information and ingenuity.