NHTSA has published a summary of the CARS law and a copy is available online at http://www.cars.gov/files/day-one.pdf.
NHTSA has also created a CARS website (http://www.cars.gov) that is dedicated to the new law. NHTSA has until July 24th to publish rules to implement the program. Under the law, the program runs from July 1, 2009 to November 1, 2009.