The Automotive X PRIZE blog notes that they are up to 43 teams signed up for their upcoming 100 mpg car race, and gives a few examples of the media coverage the teams are getting:
Aptera Motors: StartUp Beat, 8/2007
Cornell University: PopularMechanics, 8/2007
FuelVapor Technologies: gizmag, 7/2007
Loremo: AutoblogGreen, 8/2007
Michigan Vision: Ann Arbor Business Review, 9/2007
Phoenix Motorcars: Fast Company, 11/2007
Porteon Electric Vehicles, Inc.: CNET, 10/2007
Society for Sustainable Mobility: Red Hat Magazine, 8/2007
Tesla Motors: Newsweek, 10/2007
Velozzi: engadget, 4/2007
Visionary Vehicles: Washington Post, 9/2007
An article in The Economist describes a meeting and discussions held by Google's Larry Page and Silicon Valley venture capitalist Vinod Khosla to work on the Automotive X PRIZE and related goals.