US Federal 2025-2026 Regular Session

US Federal Senate Bill SB4408

Introduced
 
Introduced
4/28/26  

Caption

Supporting Energy and Economic Development (SEED) Act

Summary

SB 4408, the Supporting Energy and Economic Development (SEED) Act, would extend federal tax incentives for biodiesel and renewable diesel. The bill amends the Internal Revenue Code to revive and continue the biodiesel mixture credit, biodiesel credit, and related excise tax credits for fuel sold or used after December 31, 2024, through December 31, 2029, with a gap period covered from the end of 2024 until enactment. It also extends the payment provisions for fuels not used for taxable purposes over the same period. The bill further adds coordination rules to prevent taxpayers from receiving duplicate federal benefits for the same fuel. In particular, it bars the biodiesel credit where the clean fuel production credit under section 45Z applies, and it bars the clean fuel production credit where the fuel already qualifies for the biodiesel mixture or excise tax credits. The amendments would take effect for fuel sold or used on or after the date of enactment.

Impact

If enacted, the bill would modify several provisions of the Internal Revenue Code governing alternative fuel tax incentives, including sections 40A, 6426, 6427, and 45Z. It would extend and partially retroactively restore biodiesel and renewable diesel tax benefits, affecting fuel producers, blenders, distributors, and taxpayers claiming excise tax credits or direct payments. The bill would also limit overlapping claims by requiring coordination among the biodiesel incentives and the clean fuel production credit, reducing the possibility of double benefits for the same fuel.

Sentiment

The available context suggests a generally supportive posture toward the bill, as reflected by its introduction and referral without recorded opposition, amendments, or votes in the provided materials. The bill’s framing as an energy and economic development measure indicates an intent to support domestic biofuel markets and related industries. No committee transcript or vote history is provided, so there is no documented debate in the supplied record.

Contention

The main policy issue apparent from the text is how to balance continued support for biodiesel and renewable diesel with limits on duplicative federal subsidies. Supporters would likely favor the extension as a way to stabilize the biofuels industry and encourage alternative fuel use, while potential critics may question the cost of extending tax expenditures or the interaction with the newer clean fuel production credit. The bill specifically addresses that tension by prohibiting double benefits, which suggests that credit coordination and fiscal impact are the likely points of concern.

Companion Bills

No companion bills found.

Previously Filed As

US HB8497

Supporting Energy and Economic Development (SEED) Act

US HB1474

Supporting Early Education and Development (SEED) Act; enact

US SB00306

An Act Concerning Economic Development And Comprehensive Energy Strategy.

US SB243

Economic development, references to outdated economic development plan and NAICS Codes updated

US HB2186

Supporting the acquisition of federal funds to promote economic development.

US H4758

Supporting the economic growth of downtowns and small businesses

US SB388

Economic Development - Delivering Economic Competitiveness and Advancing Development Efforts (DECADE) Act

US HB898

Economic Development - Delivering Economic Competitiveness and Advancing Development Efforts (DECADE) Act

US HB708

AN ACT relating to economic development.

US HJR27

Supporting State Energy Development

Similar Bills

No similar bills found.