Rex Roy - Autoblog
Conceived as a catalyst for change, the Progressive Automotive X Prize is an event engineers dream of and dreamers engineer to win. At stake is a share of a $10 million purse and the opportunity to impact the world. Announced in March 2008, the backers of the X Prize hoped their significant purse would speed the development of more efficient automotive transportation. How efficient? How about at least 100 mpg?