TITLE 26. INTERNAL REVENUE CODE § 40B. Sustainable aviation fuel credit., 26 USCS § 40B
Summary
(a) In general. For purposes of section 38 [26 USCS § 38], the sustainable aviation fuel credit determined under this section for the taxable year is, with respect to any sale or use of a qualified mixture which occurs during such taxable year, an amount equal to the product of—
(b) Applicable supplementary amount. For purposes of this section, the term “applicable supplementary amount” means, with respect to any sustainable aviation fuel, an amount equal to $0.01 for each percentage point by which the lifecycle greenhouse gas emissions reduction percentage with respect to such fuel exceeds 50 percent. In no event shall the applicable supplementary amount determined under this subsection exceed $0.50.