PUBLIC LAW 102-486—OCT. 24, 1992 106 STAT. 2869 "(3)(A) To the extent practicable, the Secretary shall acquire both dedicated and dual fueled vehicles, and shall ensure that each type of alternative fueled vehicle is used by the Federed Government. "(B) Vehicles acquired under this section shall be acquired from original equipment manufacturers. If such vehicles are not available from original equipment manufacturers, vehicles converted to use alternative fuels may be acquired if, after conversion, the original equipment manufacturer's warranty continues to apply to such vehicles, pursuant to an agreement between the original equipment maniifacturer and the person performing the conversion. This subparagraph shall not apply to vehicles acquired by the United States Postal Service pursuant to a contract entered into by the United States Postal Service before the date of enactment of this subparagraph and which terminates on or before December 31, 1997. "(C) Alternative fueled vehicles, other than those described in subparagraph (B), may be acquired solely for the purposes of studies under subsection (b), whether or not original equipment manufacturer warranties still apply. "(D) In deciding which t3rpes of alternative fueled vehicles to acquire in implementing this part, the Secretary shall consider as a factor— "(i) which types of vehicles yield the greatest reduction in pollutants emitted per dollar spent; and "(ii) the source of the fuel to supply the vehicles, giving preference to vehicles that operate on alternative fuels derived from domestic sources. "(E) Dual fueled vehicles acquired pursuant to this section shall be operated on alternative fuels unless the Secretary determines that operation on such alternative fuels is not feasible. "(F) At least 50 percent of the alternative fuels used in vehicles acquired pursuant to this section shall be derived from domestic feedstocks, except to the extent inconsistent with the General Agreement on Tariffs and Trade. The Secretary shall issue regulations Regulations, to implement this requirement. For purposes of this subparagraph, the term 'domestic' has the meaning given such term in section 301(7) of the Energy Policy Act of 1992. "(G) Except to the extent inconsistent with the General Agreement on Tariffs and Trade, vehicles acquired under this section shall be motor vehicles manufactured in the United States or Canada."; (3) by adding at the end of subsection (a) the following new paragraph: "(4) Acquisitions of vehicles under this section shall, to the extent practicable, be coordinated with acquisitions of alternative fueled vehicles by State and local governments."; (4) in subsection (b), by inserting after paragraph (2) the following new paragraphs: "(3)(A) The Secretary, in cooperation with the Environmental Protection Agency and the Department of Transportation, shall collect data and conduct a study of heavy duty vehicles acquired under subsection (a), which shall at a minimum address— "(i) the performance of such vehicles, including reliability, durability, and performance in cold weather and at high altitude;
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