Amends the Internal Revenue Code to: (1) increase the percentage rate of the tax credit for the purchase of alternative fuel motor vehicles fueled by natural gas or liquefied natural gas; and (2) extend through 2017 the tax credit for new qualified alternative fuel vehicles.
Amends the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users to: (1) increase the percentages for grant funding to replace school buses under the clean school bus program; and (2) increase and extend funding for such program for FY2010-FY2015.
Requires the Administrator of the General Services Administration (GSA) to study and report to Congress on increasing the number of natural gas vehicles in the federal fleet.