Congress extends $1.75-per-gallon subsidy for aviation fuel makers through 2033
S. 3759 — SAF Act · Filed by Jerry Moran (R-KS) · 3 cosponsors · Introduced Feb 2, 2026 · Referred to committee
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What it does
This bill reinstates and enhances a federal tax credit for sustainable aviation fuel (SAF) production. It increases the credit rate from 20 cents to 35 cents per gallon for SAF made at certain facilities, and from $1.00 to $1.75 per gallon for SAF made at other facilities. It also extends the credit's expiration date from December 31, 2029 to December 31, 2033. The changes apply retroactively to fuel produced after December 31, 2025.
Why we flagged it
The bill's operative mechanism is a direct increase in federal tax credits (subsidies) for sustainable aviation fuel producers, extended through 2033. This is a targeted industry tax benefit, not a regulatory reform or public-safety measure.
What the text implies
- The bill does not require SAF producers to pass savings to airlines or consumers; the credit may be captured entirely as producer profit margin.
- Retroactive application to fuel produced after Dec 31, 2025 may create windfall claims for producers who already made investment decisions before the bill's passage.
The full analysis lists 4 implications of this text.
Who stands to gain
sustainable aviation fuel producers; aviation fuel refiners and blenders; biofuel and synthetic fuel manufacturers