; (ii) how to accelerate the resolution of issues related to data and standards development and related regulations necessary to facilitate the safe and efficient certification of hydrogen-propelled commercial aircraft; and (iii) other issues identified by the Administrator or the advisory committee established under subsection (a)(2)(F) that must be addressed to enable the safe and efficient deployment and operation of hydrogen-propelled commercial aircraft. 920. Aviation fuel systems (a) Coordination The Secretary, in coordination with the stakeholders identified in subsection (b), shall study, plan, and make recommendations with respect to coordination and implementation issues relating to aircraft powered by new aviation fuels or fuel systems, including at a minimum, the following: (1) Research and technical assistance related to the development, certification, operation, and maintenance of aircraft powered by new aviation fuels and fuel systems, along with refueling and charging infrastructure and associated technologies critical to their deployment. (2) Data sharing with respect to the installation, maintenance, and utilization of charging and refueling infrastructure at airports. (3) Development and deployment of training and certification programs for the development, construction, and maintenance of aircraft, related fuel systems, and charging and refueling infrastructure. (4) Any other issues that the Secretary, in consultation with the Secretary of Energy, shall deem of interest related to the validation and certification of new fuels for use or fuel systems in aircraft. (b) Consultation The Secretary shall consult with— (1) the Department of Energy; (2) the National Aeronautics and Space Administration; (3) the Department of the Air Force