US SB3759

Reinstates enhanced clean fuel production tax credit rates for sustainable aviation fuel (SAF): 35 cents per gallon (up from 20 cents) for certain qualified facilities and $1.75 per gallon (up from $1.00) for others

Extends the clean fuel production credit expiration date from December 31, 2029 to December 31, 2033

Defines sustainable aviation fuel as non-kerosene liquid fuel sold for aircraft use that meets ASTM International Standard D7566 or Fischer Tropsch provisions of ASTM D1655 Annex A1

Excludes fuels derived from palm fatty acid distillates or petroleum from qualifying as sustainable aviation fuel

Applies to fuel produced after December 31, 2025