; (B) the weighting recommended to be applied to the factors under subparagraph (A); and (C) any other recommendations to ensure that the apportionment method best achieves an equitable distribution of funds described under paragraph (2)(A) and the goals described in paragraph (2)(B). (b) CMAQ formula modernization study (1) In general Not later than 1 year after the date of enactment of this Act, the Secretary of Transportation, in consultation with the Administrator of the Environmental Protection Agency, shall conduct an CMAQ formula modernization study to assess whether the apportionment method under section 104(b)(4) of title 23, United States Code, results in a distribution of funds that best achieves the air quality goals of section 149 of such title. (2) Considerations In providing consultation under this subsection, the Administrator shall provide to the Secretary an analysis of— (A) factors that contribute to the apportionment, including population, types of pollutants, and severity of pollutants; (B) the weighting of the factors listed under subparagraph (A); and (C) the recency of the data used in making the apportionment under section 104(b)(4) of title 23, United States Code. (3) Recommendations If, in conducting the study under this subsection, the Secretary finds that modifying the apportionment method under section 104(b)(4) of title 23, United States Code, would best achieve the air quality goals of section 149 of title 23, United States Code, the Secretary shall, in consultation with the Administrator, include in such study recommendations for a new apportionment method, including— (A) the factors recommended to be included in such apportionment method; (B) the weighting recommended to be applied to the factors under subparagraph (A)