The Biden administration on Wednesday increased the amount of biofuels that must be blended into the nation’s fuel supplies over the next three years, but held production totals steady for corn-based ethanol, disappointing the biofuel industry and farm advocates. The totals under the federal Renewable Fuel Standard are higher than levels set for 2022 and earlier years, but include just 15 billion gallons of corn-based ethanol in all three years. EPA Administrator Michael Regan said the final rule would reduce reliance on foreign sources of oil by up to 140,000 barrels per day and supp...