1. Short title This Act may be cited as the RFG Modernization Act of 2017 . 2. Waiver of reformulated gasoline requirements where the price of gasoline is excessively high (a) In general Subsection (k) of section 211 of the Clean Air Act ( 42 U.S.C. 7545 ) is amended— (1) by redesignating paragraph (10) as paragraph (11); and (2) by inserting after paragraph (9) the following: (10) Waivers (A) In general At the request of the Governor of a State, the Administrator may waive the prohibitions and requirements otherwise applicable under this subsection with respect to the State or a portion of a State if the Administrator determines that the price of gasoline in such State or portion is excessively high. (B) Considerations In making a determination described in subparagraph (A), the Administrator shall consider— (i) the price of a gallon of conventional gasoline, the price of a gallon of reformulated gasoline, and the difference between the two, both in raw dollars and as a percentage, in such State or portion; and (ii) such other factors as the Administrator determines appropriate. (C) Process On receipt of a request from a Governor for a waiver under subparagraph (A), the Administrator shall— (i) issue such waiver if the Administrator finds that the standard described in subparagraph (A) is met; or (ii) publish an explanation of why such standard is not met. (D) Duration; renewal A waiver under this paragraph— (i) shall be for a period of not more than 42 days; and (ii) may be renewed. . (b) Technical correction Subparagraphs (E) and (F) of section 211(k)(11) of the Clean Air Act, as redesignated by subsection (a), are amended by moving the margins of such subparagraphs 2 ems to the right.