; (2) address the needs of the aerospace industry, aviation suppliers, hydrogen producers, airlines, airport sponsors, fixed base operators, and other stakeholders identified under subsection (b); and (3) preserve the United States aviation competitiveness. (d) Report to Congress Not later than 1 year after the date of enactment of this section, the Secretary of Transportation, acting primarily through the Administrator, and jointly with the Secretary of Energy, shall submit to the appropriate committees of Congress a report detailing— (1) the Secretary of Transportation's, Administrator’s, and Secretary of Energy’s actions to exercise leadership in the creation of Federal and international policies, and of studies conducted, relating to the safe and efficient use of hydrogen to increase aviation decarbonization and improve air and noise pollution; (2) planned, proposed, and anticipated actions to update or modify existing policies related to hydrogen in the aviation sector, including those identified as a result of consultation with, and feedback from, the aerospace industry, aviation suppliers, hydrogen producers, airlines, airport sponsors, fixed base operators, and other stakeholders; and (3) a timeline for any actions to be taken to update or modify existing policies related to hydrogen. 3. FAA leadership on the certification of hydrogen-powered aircraft to increase aviation decarbonization (a) In general The Administrator shall exercise leadership in the creation of Federal regulations, standards, and guidance relating to the safe and efficient use of hydrogen to increase aviation decarbonization, and reduce air and noise pollution. (b) Exercise of Leadership In carrying out subsection (a), the Administrator shall— (1) establish a viable path for the certification of hydrogen-powered aircraft that considers existing frameworks; (2) review certification regulations and other requirements of the Federal Aviation Administration to identify ways to facilitate the use of hydrogen