The vehicle must have a manufacturer suggested retail price of less than $45,000 and be a model year 2004 or later.
The vehicles turned in must be drivable, registered in the United States and have a when-new fuel economy rating of less than 18 miles per gallon.
In the first year of the program, a person trading in a vehicle that is model year 2002 and later would be eligible to receive $4,500 for purchase of a new vehicle, $3,000 for purchase of a used vehicle or $3,000 for transit fare credit. For model year vehicles 1999 to 2001, drivers would get $3,000 for the purchase of a new vehicle. Those who trade in vehicles that came out in 1998 or before could get a credit of $2,000 for a new vehicle.