II 118th CONGRESS 1st Session S. 647 IN THE SENATE OF THE UNITED STATES March 2, 2023 Mr. Cornyn (for himself, Mr. Coons , Mr. Cassidy , Mr. Hickenlooper , Ms. Murkowski , Mr. Heinrich , and Mr. Luján ) introduced the following bill; which was read twice and referred to the Committee on Commerce, Science, and Transportation A BILL To require the Secretary of Transportation to establish a grant program to support the use of hydrogen- or ammonia-fueled equipment at ports and to require the Secretary of the department in which the Coast Guard is operating to conduct a study, together with the Secretary of Energy and the Secretary of Transportation, regarding the feasibility and safety of using hydrogen and ammonia as fuels in maritime applications.