of the construction project. (c) Application Section 60118(c)(1) of title 49, United States Code, shall not apply to a regulation issued under subsection (a). 21. Report on emissions (a) Establishment Not later than 180 days after the date of enactment of this Act, the Secretary of Transportation shall enter into an agreement with the National Academy of Sciences to conduct a study on technologies and measures that reduce the amount of natural gas released during venting and blowdowns of natural gas distribution systems and transmission pipelines. (b) Consultation In carrying out the study, the National Academy of Sciences may consult entities with expertise in the causes and effects of natural gas releases and the use of technologies or measures that prevent or mitigate releases of natural gas during venting and blowdowns of natural gas distribution systems and transmission pipelines. (c) Report (1) In general Not later than 18 months after the date on which the National Academy of Sciences initiates the study, the National Academy of Sciences shall submit to the Committee on Transportation and Infrastructure of the House of Representatives, the Committee on Energy and Commerce of the House of Representatives, and the Committee on Commerce, Science, and Transportation of the Senate a report on the technologies and measures described in subsection (a). (2) Contents The report required under paragraph (1) shall include— (A) an analysis of the amount of natural gas released during venting and blowdowns of natural gas distribution systems and transmission pipelines