; and (2) by striking subsections (c) and (d) and inserting the following: (c) Periodic review The Secretary shall— (1) once every 5 years, review the Federal building energy standards established under this section; and (2) on completion of a review under paragraph (1), if the Secretary determines that significant energy savings would result, upgrade the standards to include all new energy efficiency and renewable energy measures that are technologically feasible and economically justified. . 1118. High-performance green Federal buildings Section 436(h) of the Energy Independence and Security Act of 2007 ( 42 U.S.C. 17092(h) ) is amended— (1) in the subsection heading, by striking System and inserting Systems ; (2) by striking paragraph (1) and inserting the following: (1) In general Based on an ongoing review, the Federal Director shall identify and shall provide to the Secretary pursuant to section 305(a)(3)(D) of the Energy Conservation and Production Act ( 42 U.S.C. 6834(a)(3)(D) ), a list of those certification systems that the Director identifies as the most likely to encourage a comprehensive and environmentally sound approach to certification of green buildings. ; and (3) in paragraph (2)— (A) in the matter preceding subparagraph (A), by striking system and inserting systems ; (B) by striking subparagraph (A) and inserting the following: (A) an ongoing review provided to the Secretary pursuant to section 305(a)(3)(D) of the Energy Conservation and Production Act ( 42 U.S.C. 6834(a)(3)(D) ), which shall— (i) be carried out by the Federal Director to compare and evaluate standards; and (ii) allow any developer or administrator of a rating system or certification system to be included in the review; ; (C) in subparagraph (E)(v), by striking and after the semicolon at the end; (D) in subparagraph (F), by striking the period at the end and inserting a semicolon