; and (C) by inserting and technical assistance after outreach ; (5) by redesignating subsections (d), (e), and (f) as subsections (f), (g), and (h), respectively; (6) by inserting after subsection (c) the following: (d) Carbon accounting (1) In general Not later than 2 years after the date of the enactment of this subsection, the Secretary shall work with the National Renewable Energy Laboratory established pursuant to section 10 of the Solar Energy Research, Development, and Demonstration Act of 1974 to develop carbon accounting estimates for renewable energy systems and energy efficiency upgrades (including a pre-approved technologies list and reserve fund technologies), supported through assistance provided under this section. (2) Program guidance The results of the carbon accounting assessments shall be used to guide program actions as much as possible in order to achieve the purpose specified in subsection (a). (e) Demonstration practice (1) In general The Secretary shall hold regional demonstration projects that incentivize agricultural producers to reduce the carbon footprint or overall carbon equivalent emissions of such producers to the largest extent possible through the use of both energy efficiency improvements and renewable energy systems. (2) Extension The Secretary shall promote the results of the regional demonstration projects carried out under paragraph (1). ; and (7) in subsection (h) (as redesignated by paragraph (5))— (A) in paragraph (1), by striking subparagraphs (A) through (E) and inserting the following: (A) $50,000,000 for each of fiscal years 2014 through 2020; (B) $100,000,000 for fiscal year 2021; (C) $200,000,000 for fiscal year 2022; (D) $300,000,000 for fiscal year 2023; and (E) $400,000,000 for fiscal year 2024 and each fiscal year thereafter. ; (B) in paragraph (2)(B), by striking become available and inserting be used