The Biden Administration just announced higher Section 301 tariffs on a host of imports from China, after the statutory four-year review of those duties imposed by the Trump Administration. The new tariffs did not include the rumored increase for used cooking oil (UCO) that roiled soybean futures the last couple of days. Current tariffs on UCO are 15.5 percent; they were not raised. UCO, and tallow, have lower carbon intensity scores when used as feedstocks for renewable diesel. The U.S. renewable fuel demand for feedstock has resulted in a shortage of domestically produced supply – which is effectively capped, respectively, by food use of oil, and slaughter. As a result, imports of tallow have increased significantly, and imports of...