Pub. L. 111-117, div. A, tit. I, sec. 164

Sec. 164. During fiscal year 2010, each Federal Transit Administration grant for a project that involves the acquisition or rehabilitation of a bus to be used in public transportation shall be funded for 90 percent of the net capital costs of a biodiesel bus or a factory-installed or retrofitted hybrid electric propulsion system and any equipment related to such a system: Provided, That the Secretary shall have the discretion to determine, through practicable administrative procedures, the costs attributable to the system and related-equipment.