; and (4) a 5-year plan for how the research and extension activities of the Department of Agriculture could be used to better support dual-use renewable energy systems that do not displace agricultural production. (b) Definition of dual-Use renewable energy systems In this section, the term dual-use renewable energy systems means renewable energy production and agricultural production, including crop or animal production, occurring together on the same piece of land. (c) Report Not later than 1 year after the date of the enactment of this Act, the Secretary of Agriculture shall submit to the Committee on Agriculture of the House of Representatives and the Committee on Agriculture, Nutrition, and Forestry of the Senate a written report containing the results of the study required by subsection (a). 603. AgSTAR program (a) In general The Secretary of Agriculture (in this section referred to as the Secretary ) shall maintain a program, to be known as the AgSTAR program, that— (1) supports anaerobic digestion in the agricultural sector to reduce methane emissions from livestock waste; (2) conducts outreach, education, and training on anaerobic digestion of livestock waste; (3) provides technical and regulatory assistance on anaerobic digestion of livestock waste to stakeholders, including farmers and ranchers, on issues including— (A) permitting; (B) codigestion of multiple organic wastes in one digester; and (C) interconnection to physically link a digester to the electrical power grid; (4) promotes centralized, multi-farm digesters that use livestock waste from more than 1 farm or ranch; (5) collects and reports data on anaerobic digestion of livestock waste