ANKENY, IOWA (April 9, 2025) — The Iowa Biodiesel Board and the Iowa Soybean Association commended Senator Charles “Chuck” Grassley and fifteen of his Senate colleagues for urging the Environmental Protection Agency to increase volumes of biomass-based diesel, including biodiesel, under the federal Renewable Fuel Standard. The bipartisan effort, also led by Sen Amy Klobuchar and backed by Sen Joni, highlights the urgent need to support America’s biofuels industry and the rural economy.