; and (B) to prevent the release of regulated substances to the environment at any time during the operational life of the underground storage tank system. . 7. Registration testing, Reid vapor pressure, and substantially similar waivers (a) Registration testing waiver Section 211(e) of the Clean Air Act ( 42 U.S.C. 7545(e) ) is amended by adding at the end the following: (4) Fuels consisting of gasoline and no more than 30 percent ethanol by volume that meet the requirements of subsection (f)(3) shall be deemed— (A) to have satisfied any testing regulations promulgated under this subsection; and (B) to be immediately eligible for registration under subsection (b) without further testing. . (b) Reid vapor pressure waiver (1) Existing waivers Section 211(f)(4) of the Clean Air Act ( 42 U.S.C. 7545(f)(4) ) is amended— (A) by striking (4) The Administrator, upon and inserting the following: (4) Waivers (A) In general The Administrator, on ; (B) in subparagraph (A) (as so designated)— (i) in the first sentence— (I) by striking of this subsection each place it appears; and (II) by striking if he determines and inserting if the Administrator determines ; and (ii) in the second sentence— (I) by striking such an application and inserting an application described in subparagraph (A) ; and (II) by striking The Administrator and inserting the following: (B) Final action The Administrator ; and (C) by adding at the end the following: (C) Reid vapor pressure A fuel or fuel additive may be introduced into commerce if— (i) (I) the Administrator determines that the fuel or fuel additive is substantially similar to a fuel or fuel additive utilized in the certification of any model year vehicle pursuant to paragraph (1)(A); or (II) the fuel or fuel additive has been granted a waiver under subparagraph (A) and meets all of the conditions of that waiver other than any limitation of the waiver with respect to the Reid Vapor Pressure of the fuel or fuel additive