and Security Act of 2007 ( 42 U.S.C. 17052(b) ) is amended by striking paragraph (6). (c) Effective date The amendments made by this section shall apply to property placed in service after December 31, 2021. II Credit for automobiles made in the United States 201. Establishment of America First Vehicle Credit (a) In general Subpart B of part IV of subchapter A of chapter 1 is amended by adding at the end the following new section: 30E. America First Vehicle Credit (a) Allowance of credit There shall be allowed as a credit against the tax imposed by this chapter for the taxable year an amount equal to the sum of the credit amounts determined under subsection (b) with respect to each new vehicle placed in service by the taxpayer during the taxable year. (b) Per vehicle dollar limitation (1) In general The amount determined under this subsection with respect to any new vehicle is the sum of the amounts determined under paragraphs (2) and (3) with respect to such vehicle. (2) Base amount The amount determined under this paragraph is $2,500. (3) Vehicle capacity (A) In general The amount determined under this paragraph is the greater of— (i) the payload capacity adjustment, or (ii) the seating capacity adjustment. (B) Payload capacity adjustment (i) In general For purposes of subparagraph (A)(i), the payload capacity adjustment is $500 for every 250 pounds of payload capacity in excess of 1,000 pounds. (ii) Payload capacity For purposes of clause (i), the payload capacity of any new vehicle shall be an amount equal to the difference between— (I) the vehicle curb weight (as such term is defined in section 216 of the Clean Air Act ( 42 U.S.C. 7550 )) of such vehicle, and (II) the gross vehicle weight rating of such vehicle. (C) Seating capacity adjustment (i) In general For purposes of subparagraph (A)(ii), the seating capacity adjustment is $1,000 for each passenger by which the seating capacity of the new vehicle is in excess of 4 passengers. (ii) Seating capacity For purposes of clause (i), the seating capacity of