II 118th CONGRESS 1st Session S. 648 IN THE SENATE OF THE UNITED STATES March 2, 2023 Mr. Coons (for himself, Mr. Cornyn , Mr. Hickenlooper , Mr. Cassidy , 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, in consultation with the Secretary of Energy, to establish a grant program to demonstrate the performance and reliability of heavy-duty fuel cell vehicles that use hydrogen as a fuel source, and for other purposes.