Rising fuel costs linked to the Iran war and refinery issues exacerbate affordability crisis
Category: Economy
As drivers pull up to gas stations across the United States, they are confronted with rising prices that have become a source of frustration and economic concern. In Atlanta, for example, the average price of regular gas has climbed to $4.21 a gallon, marking a 19.6 cent increase from the previous week. This surge is not an isolated incident; it reflects a broader trend affecting diesel prices, which have spiked significantly due to various geopolitical and economic factors.
Why are diesel prices climbing so rapidly? The answer lies in a complex interplay of global events, domestic policy, and market dynamics that are making it increasingly difficult for consumers and businesses alike.
The war in Iran has been a major disruptor of oil and fuel shipments from the Middle East, contributing to higher prices for both gasoline and diesel. The conflict has led to reduced refinery activity in Russia and elsewhere, tightening supplies of diesel and other refined fuels. According to the U.S. Energy Information Administration (EIA), U.S. refineries were operating at 97% capacity in mid-September 2026, leaving little room to quickly compensate for lost production abroad.
In the U.S., diesel prices averaged about $6.45 a gallon as of September 28, 2026, remaining significantly above last year's levels. The added cost of diesel has a ripple effect on grocery bills, as trucks, farm equipment, and freight trains all rely on this fuel to transport goods. When diesel prices rise, businesses face tough decisions about how much of these increased costs they can absorb versus how much they must pass along to consumers.
As diesel prices continue to climb, political figures are seizing the opportunity to address the issue head-on. In Texas, Attorney General Ken Paxton and Democratic state Rep. James Talarico engaged in a heated exchange over the federal gas and diesel tax. Talarico called for a suspension of these taxes until prices fall below levels seen before the Iran conflict began in February 2026. He argued that the high prices are exacerbating an existing affordability crisis in the state.
“Ken Paxton supports this disastrous war in Iran that’s driving up our costs,” Talarico stated, urging his opponent to join him in advocating for a suspension of the gas and diesel taxes. In response, Paxton expressed his support for permanently suspending the federal gas tax, which currently stands at 18.4 cents per gallon for gasoline and 24.4 cents for diesel. “Repealing those taxes would put money straight back into drivers’ pockets every time they fill up,” he asserted.
Rising diesel prices have broader economic implications, especially for Europe, where reliance on diesel-powered transport is high. Over 38% of passenger cars in the European Union are diesel, and road transport accounts for 77% of total diesel and gas oil consumption, according to a briefing from Transport & Environment. This structural dependency makes the EU particularly vulnerable to fuel price shocks.
Georg Zachmann, a senior fellow at the Brussels-based think tank Bruegel, noted, "As a result, the EU is structurally long on gasoline, which it exports, and short on diesel, which it must import." This imbalance means that any increase in diesel prices directly impacts the costs of goods and services across the continent. The NGO estimates that EU drivers are paying an average of €30 more for a 50-liter tank of diesel since the start of the war in Iran, with the total additional costs for the EU economy reaching €40 billion.
As the situation evolves, experts suggest that prolonged conflicts in the Middle East or Russia could exacerbate the problems for diesel users. The EIA has projected that U.S. diesel inventories will remain unusually low through the end of 2026 and much of 2027. With winter approaching, demand for heating oil—a closely related fuel—will only add pressure to already strained supplies.
Patrick De Haan, a petroleum analyst with GasBuddy, indicates that the pressure on fuel prices is expected to last beyond the immediate future. He noted that refinery maintenance during the fall and increased demand for harvesting crops will complicate the supply situation. "If oil holds below $100 a barrel, we might see modest declines in gasoline prices, but diesel prices could also ease slightly," he said. “Continued disruptions could keep prices higher than projected.”
As the political debate surrounding gas and diesel taxes intensifies, the implications of rising fuel costs become clearer. The potential for a diesel export ban from the U.S. has also been raised, which could lead to even higher prices domestically and abroad. If such a ban were enacted, experts warn that it could shock the market and make both U.S. gasoline and EU diesel prices soar.
With these dynamics at play, consumers can expect to feel the effects of rising fuel prices well beyond the pump. Whether it's through increased grocery bills or higher airline fares, the interconnectedness of global fuel supply chains means that the costs associated with diesel and gasoline are likely to linger for some time.
As the situation continues to develop, it remains clear that the rising diesel prices are not just a matter of personal inconvenience but a pressing economic issue that affects everyone.