1. Short title This Act may be cited as the Fuel Economy Harmonization Act . 2. Credits for exceeding average fuel economy standards Section 32903 of title 49, United States Code, is amended— (1) in subsection (a)— (A) by redesignating paragraphs (1) and (2) as subparagraphs (A) and (B), respectively; (B) in the matter preceding subparagraph (A), as redesignated, by striking When and inserting the following: (1) In general When ; (C) in paragraph (1)(B), as redesignated, by striking paragraph (1) and inserting subparagraph (A), ; and (D) by adding at the end the following: (2) Model years 2016 through 2021 Notwithstanding paragraph (1)(B), beginning with model year 2016 and ending with model year 2021, a manufacturer may apply any credits earned after model year 2009 pursuant to paragraph (1), which have not been applied pursuant to paragraph (1)(A), to any model year beginning after the model year for which the credits are earned. ; (2) in subsection (b)(2)(B), by striking subsection (a)(1) of this section and inserting subsection (a)(1)(A) ; and (3) in subsection (g)— (A) in paragraph (3)— (i) in subparagraph (A), by striking 2011 and inserting 2010 ; (ii) in subparagraph (B), by striking 2017, 1.5 miles per gallon; and and inserting 2016, 1.5 miles per gallon; ; and (iii) by striking subparagraph (C) and inserting the following: (C) for model years 2017 and 2018, 2.0 miles per gallon; (D) for model years 2019 through 2021, 4.0 miles per gallon; and (E) for model year 2022 and subsequent model years, 6.0 miles per gallon.