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91st General Assembly · Funnel one-pager · Monday, November 9, 2026

SF 2503: Modifying the sales or use tax refund for biodiesel production, and including retroactive applicability provisions

Died when the session ended · The General Assembly adjourned on October 2, 2026. Bills that didn’t pass both chambers died.

What it does

Beginning January 1, 2026, but before January 1, 2027, this bill increases the sales or use tax refund available to the producers of biodiesel from cents per gallon to cents per gallon. Beginning January 1, 2027, but before January 1, 2028, the bill reverts the refund amount back to cents per gallon of biodiesel produced. The amount of the refund is calculated by multiplying the designated rate (currently cents) by the total number of gallons of biodiesel produced by the biodiesel producer in this state. The bill does not change the repeal date of January 1, 2028. The bill applies retroactively to January 1, 2026, for gallons of biodiesel produced by a biodiesel producer in this state on or after that date.

Sponsors

Ways and Means (successor To Ssb 3102) committee

Cost

See the fiscal note

3 million.

Lobbying · 10 for, 0 against

For: Ag Processing Inc; Cargill; Deere & Company; Iowa Biodiesel Board; Iowa Biotechnology Association; Iowa Department of Agriculture & Land Stewardship; Iowa Farm Bureau Federation; Iowa Institute for Cooperatives; Iowa Renewable Fuels Association (IRF); Iowa Soybean Association

In plain words

  1. May 1, 2026Filed in the Senate
  2. May 1, 2026Approved by the Senate committee
  3. May 1, 2026Cost estimate (fiscal note) posted

From public records at legis.iowa.gov, compiled by Funnel (iowafunnel.com), an independent, nonpartisan site. Current as of Monday, November 9, 2026. https://iowafunnel.com/bills/91/SF2503