Refinery recovery might help, but geopolitical risk keeps the floor high.
Across the Great Lakes, a familiar anxiety returned to the pump last week as refinery disruptions pushed gasoline past four dollars a gallon in five states — a threshold that carries both economic weight and psychological significance. The disruption was regional and, analysts suggest, temporary, with recovery expected to bring modest relief within weeks. Yet the deeper forces shaping fuel costs — crude oil elevated by geopolitical tension, diesel prices stranding fishing boats in port — remind us that local prices are never truly local. What drivers feel at the pump is the sum of distant conflicts, seasonal maintenance cycles, and the fragile logistics of energy supply.
- Gasoline surged past $4 a gallon across Indiana, Michigan, Ohio, Wisconsin, and Illinois last week, with Illinois nearly brushing $5 — a sharp, regionally concentrated shock.
- The trigger was a convergence of spring refinery maintenance and unexpected operational failures, amplifying pressure already building from elevated crude oil prices tied to Middle East tensions.
- GasBuddy analyst Patrick De Haan urges drivers to hold off on panic-filling — relief of 20 to 40 cents per gallon is expected within one to two weeks as refineries return to normal operation.
- Diesel faces its own reckoning: commercial fishermen are keeping boats docked rather than burning fuel that now tops five dollars a gallon, threatening livelihoods and seafood supply chains.
- Even as regional refinery recovery offers a partial reprieve, crude oil — accounting for over half of retail gas prices — remains elevated, ensuring that the floor under pump prices stays uncomfortably high.
Last week, drivers across the Great Lakes woke to a jolt at the pump. Indiana, Michigan, Ohio, and Wisconsin crossed the four-dollar threshold for regular gasoline, while Illinois came dangerously close to five dollars on Wednesday. The cause was not geopolitics alone — regional refineries were contending with both seasonal spring maintenance and unexpected operational problems, sending prices sharply higher across a broad swath of the Midwest.
Petroleum analyst Patrick De Haan of GasBuddy has been watching the situation closely. In a Tuesday update, he offered cautious optimism: the refinery issues are clearing, and he expects pump prices in the hardest-hit states to fall 20 to 40 cents per gallon. Diesel could drop even further — between 25 and 65 cents — if no new disruptions emerge. His advice to drivers: wait. The relief will take another week or two to reach the pump.
The broader picture, however, remains constrained. Crude oil accounts for 51.4 percent of what Americans pay at the pump, and with West Texas Intermediate trading above $100 a barrel and Brent futures above $108, geopolitical tension in the Middle East is keeping a firm floor under fuel costs nationwide.
The human toll of sustained high diesel prices has become visible in fishing communities. Marine diesel topping five dollars a gallon has forced commercial fishing operators — shrimpers especially — to weigh whether any given trip is worth the fuel cost. Boats are staying docked. For an industry already running on thin margins, this is not inconvenience but genuine threat.
The Great Lakes region will find some relief in the weeks ahead, but it will be partial. Refinery recovery helps — geopolitical risk does not go away. The real question for drivers and fishing communities alike is whether the coming declines will be enough to make daily operations sustainable.
Last week, drivers across the Great Lakes woke up to a jolt at the pump. In Indiana, Michigan, Ohio, and Wisconsin, the price of regular gasoline had climbed past four dollars a gallon—a threshold these states had largely avoided since the Middle East conflict began pushing crude prices higher. Illinois came even closer to the breaking point, nearly touching five dollars on Wednesday. The culprit was not geopolitics alone, but something more immediate: refinery problems in the region, compounded by the seasonal maintenance work that refineries undertake each spring.
Patrick De Haan, a petroleum analyst at GasBuddy, has been tracking the situation closely. What he saw last week was a temporary but sharp disruption—the kind that sends ripples across an entire region's economy. The spike affected not just the five hardest-hit states, but also Kentucky, Minnesota, Iowa, Missouri, Nebraska, and Kansas, though those states experienced less severe increases. For a moment, it looked as though the price climb might persist.
But De Haan's latest assessment, delivered in a Tuesday update, offered reason for cautious optimism. The refinery issues that triggered the spike are clearing up. As operations return to normal, he expects pump prices in Indiana, Illinois, Ohio, Minnesota, and Wisconsin to fall between 20 and 40 cents per gallon. Iowa, Kentucky, and Minnesota could see some relief as well. The catch: patience is required. De Haan warned drivers not to rush to fill their tanks in hopes of beating further increases. The price drops, he said, would likely take another week or two to materialize at the pump.
Diesel, which powers trucks, boats, and heavy machinery, faces a similar trajectory. If no new refinery disruptions emerge, Great Lakes diesel prices could fall between 25 and 65 cents per gallon. That would push much of Michigan, Indiana, Ohio, and Illinois back toward the mid-five-dollar range, while Wisconsin would settle into the upper four to low five range. The spread is wide because diesel prices vary significantly by state and local market conditions.
Yet the broader picture remains constrained by forces beyond the region's control. Crude oil prices—which account for 51.4 percent of what Americans pay at the pump—remain elevated, held up by tensions in the Middle East and the Strait of Hormuz. At the time of reporting, West Texas Intermediate crude was trading at $100.64 per barrel, while Brent crude futures sat at $108.02. These are not crisis prices, but they are high enough to keep a floor under gasoline and diesel costs nationwide.
The human cost of sustained high diesel prices has become visible in unexpected places. Commercial fishermen, already operating on thin margins, have found themselves facing a choice between burning expensive fuel and staying docked. Marine diesel has topped five dollars a gallon in many states, forcing fishing operators to reconsider which trips are economically viable. Shrimpers, in particular, have warned that fuel costs are keeping boats in port. For an industry that depends on narrow profit margins and the ability to reach fishing grounds quickly, this is not a minor inconvenience—it is a threat to livelihoods and to the supply of seafood that reaches American tables.
So while the Great Lakes region can expect some relief in the coming weeks, the reprieve will be partial. Refinery recovery will help. But as long as crude prices remain elevated by geopolitical risk, the underlying pressure on pump prices will persist. The question for drivers and for fishing communities is not whether prices will fall to pre-conflict levels, but whether the modest declines ahead will be enough to make their daily operations sustainable.
Notable Quotes
The refinery problems were clearing up, which could bring relief of 20 to 40 cents per gallon in Indiana, Illinois, Ohio, Minnesota and Wisconsin within another week or two.— Patrick De Haan, GasBuddy petroleum analyst
High diesel costs are forcing commercial fishing operators to reconsider trips and keep boats docked.— National Fisherman reporting on the U.S. commercial fishing industry
The Hearth Conversation Another angle on the story
Why did prices spike so suddenly in those five states when other parts of the country didn't see the same jump?
The Great Lakes region has its own refinery infrastructure, and when those facilities have problems—maintenance, operational issues—it creates a localized shortage. The region can't easily import refined fuel from distant refineries, so the supply tightens and prices jump fast.
But De Haan says prices will fall 20 to 40 cents. That's a pretty wide range. Why the uncertainty?
Because it depends on how quickly the refineries return to full capacity and whether any new problems emerge. If everything goes smoothly, you get the higher end of the relief. If there's another hiccup, the improvement shrinks.
The article mentions fishermen being hit hard by diesel costs. Is that a separate problem, or connected to what's happening in the Great Lakes?
It's connected in the sense that diesel prices across the country are elevated because of crude oil prices. The fishermen aren't just affected by regional refinery issues—they're caught in the broader squeeze from Middle East tensions keeping crude expensive.
So even when the Great Lakes refineries recover, fishing boats might still be stuck in port?
Exactly. The refinery recovery might bring diesel down 25 to 65 cents, which helps. But if crude stays at $100 a barrel because of geopolitical risk, diesel stays expensive enough that some operators still can't justify the fuel cost of a trip.
How long before we know if De Haan's prediction actually comes true?
He said one to two weeks for prices to show up at the pump. So by late May, early June, we should see whether the relief materializes or whether new problems emerge.