# 119-s-4408: Supporting Energy and Economic Development (SEED) Act

119-s-4408, Supporting Energy and Economic Development (SEED) Act, is a 119th Congress bill sponsored by Sen. Blackburn, Marsha [R-TN] (R-TN); status introduced; PRIA reads it as touching household money (as of 2026-05-15).

- Canonical: https://policyrisk.com/legislation/119-s-4408
- As of: 2026-05-15
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-4408
- Congress: 119
- Title: Supporting Energy and Economic Development (SEED) Act
- Status: introduced
- Introduced: 2026-04-28
- Sponsor: Sen. Blackburn, Marsha [R-TN] (R-TN)
- Cosponsors: 0
- Policy area: Taxation
- Touches household money: yes
- Last recorded action: 2026-05-15

## Summary

**This bill would extend and coordinate biodiesel and renewable diesel tax incentives.** It keeps mixture and production credits active through specific transition windows and stops the same fuel from receiving overlapping federal credits. - Producers and blenders would get a redefined and extended biodiesel mixture credit and biodiesel credit under Internal Revenue Code section 40A(g). Credits are phased using dates around Dec 31, 2024 and Dec 31, 2029 to manage the transition to SEED. - Fuel sellers and buyers for taxable uses would retain excise-tax credits because the bill extends Section 6426(c)(6) eligibility through the SEED transition and after 2029. It also bars the clean fuel production credit under section 45Z when an excise credit applies to the same fuel. - Sellers of fuels not used for taxable purposes would remain eligible for payments under Section 6427 with matching transition windows, so those payments follow the same post-2024 and post-2029 timing rules.

## Provisions PRIA read

- New biodiesel tax credit rules: mixed, high. This bill would extend when biodiesel and related excise tax credits apply for fuel sales or uses. Sales or uses after December 31, 2024 and before the date of enactment would be treated as covered, and sales or uses after December 31, 2029 would also be covered. The amendments would apply to fuel…

## Related bills

- 119-s-4744: Take Care of America’s Veterans Act
- 119-s-3597: National Quantum Initiative Reauthorization Act of 2026
- 119-s-2142: GOLDEN DOME Act of 2025
- 119-s-2438: Transformation to Competitive Integrated Employment Act
- 119-s-4952: Protecting American Taxpayers Act
- 119-s-1748: Kids Online Safety Act

## Sources
- [119-s-4408 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/4408)

## Related
- [119-s-4744: Take Care of America’s Veterans Act](https://policyrisk.com/legislation/119-s-4744)
- [119-s-3597: National Quantum Initiative Reauthorization Act of 2026](https://policyrisk.com/legislation/119-s-3597)
- [119-s-2142: GOLDEN DOME Act of 2025](https://policyrisk.com/legislation/119-s-2142)
- [119-s-2438: Transformation to Competitive Integrated Employment Act](https://policyrisk.com/legislation/119-s-2438)
- [119-s-4952: Protecting American Taxpayers Act](https://policyrisk.com/legislation/119-s-4952)
- [119-s-1748: Kids Online Safety Act](https://policyrisk.com/legislation/119-s-1748)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-4408 (as of 2026-05-15).