; (B) on completion, demonstrate hydrogen technologies used by heavy industry; and (C) conduct hydrogen leakage monitoring, reporting, and verification programs and leak detection and repair programs. (7) Cost sharing The non-Federal share of the cost of a demonstration project carried out using a grant or cooperative agreement under this subsection shall be not less than 50 percent. (8) Engineering and design studies The Secretary may fund front-end engineering and design studies in addition to, or in advance of, providing a grant or cooperative agreement for a demonstration project or other authorized project under this subsection. (e) Applicability No technology, or level of emission reduction, shall be treated as adequately demonstrated for purposes of section 111 of the Clean Air Act ( 42 U.S.C. 7411 ), achievable for purposes of best available control technologies (as defined in section 169 of that Act ( 42 U.S.C. 7479 )), or achievable in practice for purposes of the terms defined in section 171 of that Act ( 42 U.S.C. 7501 ) solely by reason of the identification of that technology or level of emission reduction in programs established under this Act. (f) Authorization of appropriations There is authorized to be appropriated to the Secretary to carry out the Program $1,200,000,000 for the period of fiscal years 2024 through 2028, to remain available until expended. . (b) Clerical amendment The table of contents of the Energy Policy Act of 2005 ( Public Law 109–58