Secretary may make grants to, or conclude cooperative agreements or enter into contracts with, another Federal agency, a State, Tribal, county, or local government, or any private entity to conduct research and provide technical assistance in support of activities under this section. (d) Interior pilot program (1) Assistance for deficiencies in community infrastructure The Secretary may make grants, conclude cooperative agreements, and supplement funds available under Federal programs administered by agencies other than the Department to assist State, Tribal, county, and local governments to address deficiencies in community infrastructure supportive of economic development if the Secretary determines that such assistance will enhance the economy of the area affected by the closure of an electric generating station owned in part or whole by the Department. (2) Criteria The Secretary shall establish criteria for the selection of community infrastructure projects to receive assistance under paragraph (1). The criteria shall include a requirement that the State, Tribal, county, or local government agree to contribute not less than 30 percent of the funding for the community infrastructure project, unless the community infrastructure project is located in a rural area, in which case the Secretary may waive the requirement for a State, Tribal, or local government contribution. (3) Funds available until expended Amounts appropriated or otherwise made available for assistance under paragraph (1) shall remain available until expended. (4) Sunset The authority under this subsection shall expire 10 years after the date of the enactment of this Act. (e) Definitions In this section: (1) Community adjustment The terms community adjustment and economic diversification include the development of feasibility studies and business plans for market diversification within a community that is located or residing, as the case may be, not more than 100 miles from an electric generating facility, owned in part by the Department or