1. Short title This Act may be cited as the Hydrogen Safety and Environmental Responsibility Act . 2. Study on composite materials (a) In general Not later than 18 months after the date of enactment of this Act, the Secretary of Transportation shall complete a study assessing the potential and existing use of pipelines constructed with composite materials to safely transport hydrogen and hydrogen blended with natural gas. (b) Study considerations In completing the study under subsection (a), the Secretary shall consider— (1) any commercially available composite pipeline materials; (2) any completed or ongoing tests and data available to the Secretary or other Federal agencies; and (3) any recommended standards, including consensus standards, and Federal agency authorizations relating to use of the composite pipeline materials. (c) Public participation To ensure adequate public participation in completing the study under subsection (a), the Secretary shall— (1) hold a public meeting with interested stakeholders, including the affected industries, interest groups, and other individuals with relevant expertise; (2) release a draft version of the study for public comment for a period of not less than 60 days; and (3) address any substantive comments submitted by the public during the public comment period under paragraph (2) in preparing the final study. (d) Public meeting Not later than 60 days after the closing of the public comment period under subsection (c)(2), the Secretary shall hold a public meeting to present the findings of the study under this section and any responses to public comments received under such subsection. (e) Rulemaking Not later than 18 months after the meeting described in subsection (d), the Secretary shall issue a rulemaking that includes a Notice of Proposed Rulemaking to allow for the use of composite materials for pipeline transportation of hydgrogen and hydrogen blended with natural gas.