The U.S. Department of the Treasury has recently released guidance on clean fuel production tax credits, including a notable 45Z tax credit, yet many in the biofuel sector express dissatisfaction with its limitations. The Biden administration is facing pressure as it delays final rules for aviation fuel tax credits and implements green fuel regulations that aim to curb some cooking oil imports. While some producers are stuck awaiting further clarity, the guidance aims to provide a framework for green vehicle credits and clean transportation fuel but leaves significant questions unresolved. Industry groups continue to voice frustration, claiming the interim measures provide little benefit, particularly for ethanol producers who may be disadvantaged under the new rules.