; or (B) within the State of Alaska after the date specified in paragraph (1). (b) GAO report on transitioning to unleaded aviation fuel in the State of Alaska (1) Evaluation The Comptroller General of the United States shall conduct an evaluation of the following: (A) The aircraft, routes, and supply chains in the State of Alaska utilizing leaded aviation gasoline, including identification of remote and rural communities that rely upon leaded aviation gasoline. (B) The estimated costs and benefits of transitioning aircraft and the supply chain in the State of Alaska to aviation fuel that meets the requirements described in clauses (i) and (ii) of section 47107(a)(22)(B) of title 49, United States Code, as added by section 770, including direct costs of new aircraft and equipment and indirect costs, including transportation from refineries to markets, foreign imports, and changes in leaded aviation gasoline prices as a result of reduced supply. (C) The programs of the Environmental Protection Agency, the Federal Aviation Administration, and other government agencies that can be utilized to assist individuals, communities, industries, and the State of Alaska with the costs described in subparagraph (B). (D) A reasonable time frame to permit any limitation on 100-octane low-lead aviation gasoline in the State of Alaska. (E) Other logistical considerations associated with the transition described in subparagraph (B). (2) Report Not later than 3 years after the date of enactment of this section, the Comptroller General shall submit a report containing the results of the evaluation conducted under paragraph (1) to— (A) the Committee on Commerce, Science, and Transportation of the Senate; (B) the Committee on Environment and Public Works of the Senate; (C) the Committee on Transportation and Infrastructure of the House of Representatives