National Geographic airs  a Sept. 16, 2010 TV special on competitors who undertook the Progressive Insurance Automotive X PRIZE challenge to create the world’s most fuel efficient car. The pool of contenders profiled in the episode range from inner city kids and small town families to corporate teams. Teams sought to produce a vehicle that by  could meet the competition’s strict requirements, including the ability to achieve 100 miles per gallon or the energy equivalent and to survive grueling real-world safety, efficiency, emissions, durability and range tests. The prize of $10 million will be shared by three winning teams.

Award Ceremony: The Geographic episode coincides with award presentation  in Washington, DC, for the winners of challenge. Open to the public, the ceremony will be hosted by Arianna Huffington, of The Huffington Post, Jim Gianopulos, of Fox Filmed Entertainment, and Progressive Insurance and the X PRIZE Foundation.

Time and Date: Thursday, September 16 at 10:30am

Location: Historical Society of Washington, D.C. 801 K Street, NW, Washington, DC 20001

STREAMING VIDEO: The Progressive Insurance Automotive X PRIZE Winners Announcement will be broadcast live at http://www.progressiveautoxprize.org/live.

Check the X-Prize Website to learn more about, and to view for videos and images of the competiton process.