; (2) in subparagraph (C), by striking land. and inserting land; and ; and (3) by adding at the end the following subparagraph: (D) any land in a census tract in which the majority of the residents are Natives (as defined in section 3(b) of the Alaska Native Claims Settlement Act ( 43 U.S.C. 1602(b) )). . (b) Reduction of cost share Section 2602(b)(5) of the Energy Policy Act of 1992 ( 25 U.S.C. 3502(b)(5) ) is amended by adding at the end the following subparagraph: (D) The Director may reduce any applicable cost share required of an Indian tribe in order to receive a grant under this subsection to not less than 10 percent if the Indian tribe meets criteria developed by the Director, including financial need. . (c) Authorization Section 2602(b)(7) of the Energy Policy Act of 1992 ( 25 U.S.C. 3502(b)(7) ) is amended by striking $20,000,000 for each of fiscal years 2006 through 2016 and inserting $30,000,000 for each of fiscal years 2020 through 2024 . D Smart Communities Infrastructure 1 Smart Communities 34101. 3C Energy Program (a) Establishment The Secretary of Energy shall establish a program to be known as the Cities, Counties, and Communities Energy Program (or the 3C Energy Program) to provide technical assistance and competitively awarded grants to local governments, public housing authorities, nonprofit organizations, and other entities the Secretary determines to be eligible, to incorporate clean energy into community development and revitalization efforts. (b) Best practice models The Secretary of Energy shall— (1) provide a recipient of technical assistance or a grant under the program established under subsection (a) with best practice models that are used in jurisdictions of similar size and situation