Diesel prices consistently outpace gasoline, driven by a complex mix of global market dynamics and refining realities. Unlike gasoline, which primarily fuels passenger cars, diesel is the lifeblood of the global economy, powering heavy-duty trucks, trains, ships, and agricultural machinery, which creates sustained, high demand. Additionally, complex refining processes and stringent environmental regulations make producing ultra-low sulfur diesel more expensive. Geopolitical tensions and shifting global trade flows—particularly the loss of Russian diesel exports following sanctions—have further squeezed supplies. Consequently, even when crude oil costs fluctuate, these structural pressures keep diesel prices stubbornly higher at the pump, impacting consumer goods and shipping costs alike.