WASHINGTON, DC — The latest jump in diesel prices is hitting small trucking companies at the worst possible moment. The federal government’s weekly pump survey showed on-highway diesel averaging $6.529 a gallon for the week of Sept. 21, the highest reading the series has ever recorded.
That price topped the previous peak from June 2022 by more than 70 cents, even after diesel later eased to $6.199 a gallon. Compared with a year earlier, fuel was still about $2.49 higher, a change that can erase margins for carriers that already operate on thin profit.
By contrast, regular gasoline averaged $4.354 in the same week. The widening gap between the two fuels matters because freight depends on diesel, not gasoline, and the added cost is moving through trucking budgets quickly.
Federal fuel data shows diesel far above normal spread
The Energy Information Administration’s weekly data underscores how unusual the current market is. The gap between diesel and gasoline was about $1.85 a gallon, far above the norm of well under a dollar.
That spread matters for the broader freight industry because diesel powers long-haul tractors, local delivery trucks and much of the equipment that moves goods across the country. When diesel spikes while gasoline stays comparatively lower, passenger drivers feel pain at the pump, but freight operators absorb a much larger financial hit.
California showed the steepest published price in the data set at $8.08 a gallon. For carriers already dealing with tight contracts and unpredictable loads, those numbers can turn an ordinary week into a cash-flow problem.
Bankruptcy court filings are starting to reflect the strain
The financial pressure is showing up in federal bankruptcy courts. Globemaster Inc., a Bolingbrook, Illinois carrier, filed for Chapter 11 protection on Sept. 15 in the Northern District of Illinois and used the small-business Subchapter V process.
Its docket shows the court extended permission to use cash collateral through Oct. 30, with a hearing set for Oct. 27. In Arizona, RP Hay Hauling LLC filed a Chapter 11 petition on Sept. 10.
A bankruptcy filing does not identify one single cause of failure, and fuel is not the only burden facing carriers. Freight rates remain soft, equipment loans are expensive, and insurance bills keep rising. Still, the speed and scale of the diesel increase is adding fresh stress to companies that were already stretched.
A single truck can absorb tens of thousands in extra fuel
The cost of higher diesel is easier to see in the numbers. A long-haul tractor running 100,000 miles a year and averaging 6.5 miles per gallon would burn roughly 15,400 gallons annually.
At the year-over-year increase now being felt in the market, that works out to about $38,000 in extra fuel cost for one truck. A 40-truck fleet would face more than $1.5 million in added expense that was not part of the original budget.
For smaller carriers, that kind of jump can overwhelm reserves very quickly. Even businesses that are still operating normally may have to delay maintenance, tighten hiring or take on more debt just to keep trucks moving.
Fuel surcharges help, but many small carriers still fall behind
In theory, fuel surcharges are supposed to offset sudden price moves. Many shipping contracts tie those charges to the Energy Information Administration’s weekly price, giving carriers a way to recoup at least part of the increase.
But the system is far from perfect. Surcharges usually reset on a delay, so carriers often pay today’s higher diesel price while waiting weeks for reimbursement. That lag can be especially painful for companies with limited cash on hand.
Small operators that depend on the spot market face an even harder problem. They may have no surcharge clause at all, which means they pay the new rate immediately and often get paid at the old rate 30 days later. That mismatch can drain working capital fast.
Subchapter V offers a faster path for smaller businesses
Globemaster’s choice of Subchapter V points to how some small carriers are trying to reorganize rather than shut down outright. The streamlined process is designed for smaller businesses and comes with tighter deadlines than a standard Chapter 11 case.
Under that path, the debtor must file a reorganization plan within 90 days. Filing also triggers the automatic stay, which pauses collection efforts and can stop lenders from repossessing tractors while the company negotiates with creditors.
The Oct. 30 cash-collateral deadline in the Globemaster case shows how much the timing matters. For trucking companies, access to cash can determine whether fuel is bought for next week’s routes or whether trucks stay parked.
Why the diesel spike matters beyond the trucking industry
Because freight touches nearly every part of the economy, high diesel prices can ripple far beyond trucking company ledgers. When carriers pay more to move goods, the added cost can eventually show up in shipping charges, inventories and consumer prices.
That does not mean every carrier will fail, and not every bankruptcy can be traced to one fuel market. But the current diesel environment is unusually harsh, especially for smaller fleets that do not have the bargaining power of large national operators.
For many of those businesses, the question is no longer whether diesel is expensive. It is whether they can keep enough cash moving through the business long enough for rates, contracts or fuel costs to improve.