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Diesel Export Ban Could Deepen Regional Supply Rifts, Industry Analysts Warn

A proposed U.S. ban on diesel exports is gaining political momentum but threatens to create regional imbalances rather than deliver widespread price relief, according to FreightWaves energy reporter John Kingston. Diesel futures experienced a 25-cent swing in a single trading session. Kingston attributed the move partly to geopolitical tensions, including President Trump's remarks about potentially "annihilating" Iran, a major global oil producer. The structural problem stems from the nation's uneven refinery distribution. New England lacks nearby refineries and depends heavily on European imports. A ban would tighten European supplies and raise import costs for those imports. The Gulf Coast's Colonial Pipeline already operates at full capacity and cannot absorb additional volume for northeastern markets. West Coast operations face similar constraints, as Gulf Coast diesel cannot easily reach Pacific ports without expensive Panama Canal routing. A ban would also reduce refiner incentives to maintain maximum output, further constraining fuel supplies.