(II) for tax imposed during 2018, 26.3 cents per gallon, (III) for tax imposed during 2019, 30.3 cents per gallon, and (IV) for tax imposed after 2019 and before 2030, 33.3 cents per gallon, . (b) Diesel fuel or kerosene Section 4081(a)(2)(A)(iii) of the Internal Revenue Code of 1986 is amended to read as follows: (iii) in the case of diesel fuel or kerosene— (I) for tax imposed before 2018, 24.3 cents per gallon, (II) for tax imposed during 2018, 32.3 cents per gallon, (III) for tax imposed during 2019, 36.3 cents per gallon, and (IV) for tax imposed after 2019 and before 2029, 39.3 cents per gallon, . (c) Increase for inflation Paragraph (2) of section 4081(a) of such Code is amended by adding at the end the following: (E) Adjustment for inflation In the case of any calendar year beginning after 2019, the rates of tax contained in clauses (i)(IV) and (iii)(IV) of subparagraph (A) shall each be increased by an amount equal to— (i) such rate, multiplied by (ii) the cost of living adjustment determined under section 1(f)(3) for the calendar year, determined by substituting calendar year 2018 for calendar year 1992 in subparagraph (B) thereof. Any increase under the preceding sentence shall be rounded to the nearest 0.1 cents. . (d) Diesel-Water fuel emulsion Section 4081(a)(2)(D) of the Internal Revenue Code of 1986 is amended by striking 19.7 cents for 24.3 cents and inserting a rate equal to 71 percent of the rate in effect under subparagraph (A) (without regard to this subparagraph) . (e) Termination Section 4081(d)(1) of the Internal Revenue Code of 1986 is amended by striking September 30, 2022 and inserting December 31, 2028 . (f) Allocation in accounts in highway trust fund (1) In general Section 9503(e)(2)(A) of the Internal Revenue Code of 1986 is amended to read as follows: (A) except as otherwise provided in this sentence— (i) 2.86 cents per gallon with respect to taxes imposed during calendar year 2017, (ii) 3.86 cents per gallon with respect to taxes imposed during calendar year 2018, (iii) 4.86