; and (2) may not prohibit, restrict, or otherwise impede the provision of support on the basis of the type of energy involved in a project. . (b) Promotion of energy and minerals exports by Export-Import Bank of the United States (1) Strategic energy and minerals portfolio The Export-Import Bank Act of 1945 ( 12 U.S.C. 635 et seq. ) is amended by adding at the end the following: 16. Strategic energy and minerals portfolio (a) In general The Bank shall establish a strategic energy and minerals portfolio focused on providing financing (including loans, loan guarantees, and insurance) for civil nuclear energy infrastructure projects (subject to subsection (c)), natural gas infrastructure projects, and critical minerals projects (including production, processing, manufacturing, or recycling), that may facilitate— (1) increases in exports of United States energy commodities, such as regasification terminals; (2) the export of United States equipment, materials, and technology; or (3) the strategic diversification of supply chains critical to the United States economy. (b) Maximum exposure cap for strategic energy portfolio (1) In general The aggregate amount of loans, guarantees, and insurance under subsection (a) the Bank has outstanding at any one time may not exceed $50,000,000,000. (2) Treatment of defaults A default on financing provided under subsection (a) shall not— (A) be included in the default rate calculated by the Bank under section 8(g)(1)