; and (B) in paragraph (2), by striking and only for types of activities specifically designated by the Secretary ; and (2) in subsection (b)(1), by inserting (including the responsibility for making conformity determinations under the Clean Air Act ( 42 U.S.C. 7401 et seq.)) after categorical exclusions . 102. National Environmental Policy Act of 1969 reform (a) In general The National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.) is amended by adding at the end the following: III Interagency coordination relating to permitting 301. Interagency coordination relating to permitting (a) Preparation of environmental documents An agency or other entity seeking approval of, or otherwise responsible for carrying out, a project (referred to in this section as the project sponsor ), may prepare an environmental impact statement or environmental assessment for the purpose of an environmental review in support of the project for approval by the lead agency of the project if, before the project sponsor takes any action or seeks any approval based on the environmental document, the lead agency— (1) provides oversight in the preparation of the environmental impact statement or environmental assessment; (2) independently evaluates the environmental impact statement or environmental assessment; and (3) approves, within a reasonable time, and adopts the environmental impact statement or environmental assessment. (b) Adoption and use of environmental documents (1) Environmental impact statements and assessments (A) In general Except as provided in subparagraph (B), the lead agency shall not prepare more than 1 environmental impact statement and 1 environmental assessment under this Act for a project. (B) Exceptions The limitation in subparagraph (A) shall not apply to— (i) a supplemental environmental document