 Sustainable aviation fuel and clean fuel production tax credits have the potential to benefit farmers while lowering carbon emissions. However, the shortcomings in the provisions could put the benefits out of reach for many U.S. farmers. Four groups, including the American Farm Bureau, American Soybean Association, National Corn Growers Association, and National Farmers Union, sent a letter to Treasury Secretary Janet Yellen and Office of Management and Budget Director Shalonda Young, urging them to ensure the clean fuel production credit, 45Z, works for U.S. farmers.