; (2) is a model year 2024 or later motor vehicle; and (3) uses gasoline for propulsion or any other operation of the motor vehicle, including the engine thereof. (b) Warranty requirements The manufacturer of a motor vehicle described in subsection (a) shall warrant to the ultimate purchaser and each subsequent purchaser that each such motor vehicle is designed— (1) to operate with gasoline containing up to and including 30 percent ethanol; and (2) to meet the design requirements under subsection (c). (c) Design requirements The manufacturer of a motor vehicle described in subsection (a) shall design each such motor vehicle— (1) to operate using gasoline that has a research octane number (as defined in section 101 of the Next Generation Fuels Act of 2020 ) of 98 or higher; and (2) to improve fuel economy connected to the use of gasoline that has a research octane number (as defined in section 101 of the Next Generation Fuels Act of 2020 ) of 98 or higher. (d) Enforcement (1) Violations Any manufacturer who violates subsection (b) or (c) shall be subject to a civil penalty of not more than $25,000. Any such violation shall constitute a separate offense with respect to each motor vehicle. (2) Civil actions; administrative assessment of certain penalties The provisions of subsections (b) and (c) of section 205 shall apply with respect to a violation of subsection (b) or (c) of this section to the same extent and in the same manner as such provisions apply with respect to a violation of section 203(a)(3). (e) Consultation In promulgating regulations to carry out this section, the Administrator shall consult with persons to be regulated under this section. . (b) Regulations The Administrator of the Environmental Protection Agency shall— (1) not later than 24 months after the date of enactment of this Act, propose regulations to carry out the amendments made by this section