The Economic Risks of a U.S. Diesel Export Ban

The United States currently exports roughly 1.5 million barrels of diesel per day, a vital lifeline for a global market strained by disruptions in Russia and the Middle East. Proponents argue that keeping these barrels stateside would lower costs for domestic agriculture during the critical harvest season. However, the interconnected nature of global trade suggests that these savings may be illusory. When countries like Mexico—the largest importer of U.S. diesel and a primary supplier of American produce—face higher fuel costs, those expenses are passed back to U.S. consumers through inflated food prices.

Beyond inflationary risks, the refinery sector faces a logistical bottleneck. Gulf Coast refineries are calibrated for international trade; they produce a slate of products including gasoline and jet fuel alongside diesel. An export ban would force these facilities to either store excess product or slash crude processing. S&P Global Energy CERA estimates that a total ban could trigger a 12% drop in refinery throughput, potentially tightening supplies and raising prices for gasoline and jet fuel. Rather than solving a shortage, the policy would likely redistribute the pain, leaving Americans to pay for it at the grocery store or the gas pump.