; and (2) testing and calculation procedures under section 32904(c) of title 49, United States Code, with respect to such motor vehicles. 104. Octane sensitivity study (a) Study (1) In general The Administrator shall seek to enter into appropriate arrangements with the Academy to— (A) conduct a comprehensive study of the octane sensitivity of automotive fuel with a research octane number of 95 or higher; and (B) submit reports described in subsection (b). (2) Contents In conducting the study under paragraph (1), the Academy shall examine— (A) the octane sensitivity of automotive fuel introduced into commerce for use in light-duty motor vehicles as of the date of enactment of this section; (B) the economic and technological feasibility and impacts of adjusting the octane sensitivity of automotive fuel with a research octane number of 95 or higher to increase automobile and fuel efficiency performance; (C) environmental and public health outcomes from increasing the octane sensitivity of automotive fuel with a research octane number of 95 or higher