; (2) represent a combination of land-side and vessel-side end-uses of eligible fuel; (3) maximize the creation or retention of jobs in the United States; and (4) provide the highest job quality. (g) Priority In selecting eligible entities to receive grants under the program, the Secretary shall give priority to projects that will provide greater net impact in avoiding or reducing emissions of greenhouse gases. (h) Leak detection Each eligible entity that receives a grant under the program shall conduct— (1) a hydrogen leakage monitoring, reporting, and verification (also known as MRV ) program for all eligible fuel used by the eligible entity; and (2) a hydrogen leak detection and repair (also known as LDAR ) program for all eligible fuel used by the eligible entity. (i) Funding (1) Authorization of appropriations There is authorized to be appropriated to the Secretary to carry out the program $100,000,000 for each of fiscal years 2024 through 2028. (2) Human-operated equipment requirement In carrying out the program, the Secretary shall ensure that funding is made available for each fiscal year for cargo-handling equipment that uses an eligible fuel and is human-operated. 3. Study on feasibility and safety of using hydrogen and ammonia as fuels in maritime applications (a) In general Not later than 270 days after the date of enactment of this Act, the Secretary of the department in which the Coast Guard is operating, in consultation with the Secretary of Energy, the Secretary of Transportation, and the heads of other Federal departments and agencies, as appropriate, shall conduct, and submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report describing the results of, a study— (1) to fully address the challenges to ensure the safe use and handling of hydrogen, ammonia, and other hydrogen-based fuels on vessels and in ports