Amends the Internal Revenue Code to allow tax credits for purchasers and manufacturers of qualified hybrid motor vehicles. Defines "qualified hybrid motor vehicle" as a motor vehicle which: (1) operates on an internal combustion or heat engine using consumable fuel and a rechargeable energy storage system; (2) meets specified emission standards under the Clean Air Act; (3) is a passenger vehicle or light truck with a gross weight rating of not more than 8,500 pounds; (4) has a maximum available power (defined as the maximum power available from the rechargeable energy storage system during a standard 10-second pulse power or equivalent test, divided by such maximum power and the SAE net power of the heat engine) of at least four percent; and (5) is acquired for use or lease by a taxpayer and not for resale.