; and (BB) based on such average monthly volume of production, determine the estimated annualized volume of cellulosic biofuel production for such facility for the current calendar year. (II) An estimate under clause (i) with respect to the following calendar year of the projected volume of cellulosic biofuel production (as described in paragraph (7)(D)(i)), shall be equal to the total of the estimated annual volumes of cellulosic biofuel production for all cellulosic biofuel production facilities described in subclause (I) for the current calendar year. . (b) Reduction in applicable volume Section 211(o)(7)(D)(i) of the Clean Air Act ( 42 U.S.C. 7545(o)(7)(D)(i) ), as amended by section 101(c)(3)(A), is further amended by— (1) striking based on the and inserting using the exact ; (2) striking may also reduce and inserting shall also reduce