Amends the Internal Revenue Code to allow a general business tax credit for 30% of the basis of an eligible lightweight coal freight car. Defines "eligible lightweight coal freight car" as any freight car: (1) designed to carry coal by rail; (2) the tare weight of which does not exceed 50,000 pounds; and (3) substantially all of the manufacturing of which occurred in the United States. Terminates such credit after 2013.