; and (B) any determination made under subsection (c); (2) make the determination required under subsection (c); and (3) prescribe requirements under subsection (d). (b) Requirement The Federal Trade Commission shall require that, for purposes of this title, beginning on the date that is 180 days after the date on which the Federal Trade Commission issues a final rule under subsection (a), the automotive fuel rating of an automotive fuel with a research octane number of 95 or higher be determined only by the research octane number of such automotive fuel. (c) Labeling (1) In general The Federal Trade Commission shall prescribe requirements— (A) as the Federal Trade Commission determines necessary with respect to a display at the point of sale to ultimate purchasers of automotive fuel and a display on a motor vehicle to— (i) inform such ultimate purchaser of such automotive fuel and any purchaser or user of such motor vehicle that— (I) a model year 2028 or later motor vehicle is only warrantied to use automotive fuel with a research octane number of 95 or higher; and (II) a model year 2033 or later motor vehicle is only warrantied to use automotive fuel with a research octane number of 98 or higher; (ii) provide a warning to such ultimate purchaser of such automotive fuel and any such purchaser or user of such motor vehicle, that the use of automotive fuel with a research octane number that— (I) is lower than 95 in a model year 2028 or later motor vehicle will result in reduced fuel economy, increased exhaust emissions, and possibly engine damage; and (II) is lower than 98 in a model year 2033 or later motor vehicle will result in reduced fuel economy, increased exhaust emissions, and possibly engine damage; and (iii) inform such ultimate purchaser of such automotive fuel and any purchaser or user of such motor vehicle that— (I) a model year 2028 or later motor vehicle is warrantied to use gasoline containing up to and including 25 percent ethanol by volume