; (B) determine whether any such alternative technologies meet the requirements of subparagraphs (A) and (B) of such paragraph; and (C) with respect to each alternative technology the Secretary determines meets such requirements, issue a proposed rule authorizing operators of pipeline facilities to comply with the applicable safety standard through the use of such alternative technology. (3) Final rules Not later than 1 year after issuing a proposed rule under paragraph (2), the Secretary shall finalize such rule. (4) Limitation The Secretary may not, in a final rule issued under paragraph (3), require an operator of a pipeline facility to comply with a safety standard through the use of an alternative technology identified under this subsection. . 6. Eliminating hazardous natural gas leaks Section 60108(a)(2) of title 49, United States Code, is amended— (1) in subparagraph (D)(ii)— (A) by inserting with respect to gas pipeline facilities, before eliminating ; (B) by inserting natural gas before leaks ; and (C) by inserting such gas after natural gas from ; and (2) in subparagraph (E)— (A) by inserting if applicable, before the extent ; (B) by striking pipelines and inserting gas pipeline facilities ; and (C) by striking of the pipeline and inserting of the gas pipeline facility . 7. Technical safety standards committees Section 60115 of title 49, United States Code, is amended— (1) in subsection (c)— (A) in paragraph (2), by inserting in accordance with paragraph (4) after the Secretary shall publish the reasons