; (B) consider and plan for unmanned and remotely piloted powered-lift aircraft, and the associated elements of such aircraft, through the promulgation of performance-based regulations; (C) consider any information and experience gained from operations and efforts that occur as a result of the Special Federal Aviation Regulation of the FAA titled Integration of Powered-Lift: Pilot Certification and Operations; Miscellaneous Amendments Related to Rotorcraft and Airplanes , issued on June 14, 2023 (2120–AL72); (D) consider whether to grant an individual with an existing commercial airplane (single- or multi-engine) or helicopter pilot certificate the authority to serve as pilot-in-command of a powered-lift aircraft in commercial operation following the completion of an FAA-approved pilot type rating for such type of aircraft; (E) work to harmonize the certification and operational requirements of the FAA with those of civil aviation authorities with bilateral safety agreements in place with the United States, to the extent such harmonization does not negatively impact domestic manufacturers and operators; and (F) consider and plan for the use of alternative fuel types and propulsion methods, including reviewing the performance-based nature of parts 33 and 35 of title 14, Code of Federal Regulations, and any related recommendations provided to the Administrator by the aviation rulemaking advisory committee described in section 956. 956. Advanced propulsion systems regulations (a) In general Not later than 3 years after the date of enactment of this Act, the Administrator shall task the Aviation Rulemaking Advisory Committee (in this section referred to as the Committee ) to provide the Administrator with specific findings and recommendations for regulations related to the certification and installation of— (1) electric engines and propellers; (2) hybrid electric engines and propulsion systems; (3) hydrogen fuel cells; (4) hydrogen combustion engines or propulsion systems