; and (2) 8 miles per gallon. . (c) Effective date The amendments made by this section shall apply with respect to automobiles manufactured for model year 2019 or for any subsequent model year. 4. Ethanol waiver Section 211(h)(4) of the Clean Air Act ( 42 U.S.C. 7545(h)(4) ) is amended— (1) in the matter preceding subparagraph (A), by inserting or more of after 10 percent ; and (2) in subparagraph (C), by striking additional alcohol or .