; (2) striking may also reduce and inserting shall also reduce ; and (3) striking by the same or a lesser volume and inserting by the same volume . 103. Applicability and regulations The amendments made by this title to section 211(o) of the Clean Air Act ( 42 U.S.C. 7545(o) ) shall apply only with respect to calendar years 2017 and after, except that the Administrator of the Environmental Protection Agency shall promulgate regulations to carry out such amendments not later than 1 year after the date of enactment of this Act, and take any steps necessary to ensure such amendments may be carried out for calendar years 2017 and after. II Gasoline containing greater than 10-volume-percent ethanol 201. Prohibition of gasoline blends with greater than 10-volume-percent ethanol Notwithstanding any other provision of law, the Administrator of the Environmental Protection Agency may not, including by granting a waiver under section 211(f)(4) of the Clean Air Act ( 42 U.S.C. 7545(f)(4) ), authorize or otherwise allow the introduction into commerce of gasoline containing greater than 10-volume-percent ethanol. 202. Prohibition of waivers (a) In general Any waiver granted under section 211(f)(4) of the Clean Air Act ( 42 U.S.C. 7545(f)(4) ) before the date of enactment of this Act that allows the introduction into commerce of gasoline containing greater than 10-volume-percent ethanol for use in motor vehicles shall have no force or effect. (b) Certain waivers The waivers described in subsection (a) include the following: (1) The waiver entitled, Partial Grant and Partial Denial of Clean Air Act Waiver Application Submitted by Growth Energy To Increase the Allowable Ethanol Content of Gasoline to 15 Percent; Decision of the Administrator , 75 Fed. Reg. 68094 (November 4, 2010). (2) The waiver entitled, Partial Grant of Clean Air Act Waiver Application Submitted by Growth Energy To Increase the Allowable Ethanol Content of Gasoline to 15 Percent