Diesel fuel prices have climbed to record levels across parts of the United States, adding new cost pressure on trucking companies already managing tight margins, according to WYMT. In Kentucky, the average diesel price reached $6.35 per gallon, with a weekly high of $6.38, described as the highest level ever recorded by AAA. One owner-operator reported paying $860 to fill up with 130 gallons of fuel.
Industry sources cited in the report pointed to the seasonal shift toward winter blend diesel, which typically pushes prices higher this time of year, as one factor behind the latest increase. Trucking companies and independent drivers have been absorbing the higher fuel costs directly, since diesel represents one of the largest operating expenses for carriers of all sizes.
The increase adds to a broader pattern of elevated diesel costs that has developed through much of 2026, with national averages setting multiple records earlier in September. Higher fuel costs tend to ripple through the broader economy, since trucks move a large share of the nation's freight, and carriers facing thinner margins may pass some costs along to shippers and, eventually, consumers. Industry leaders cited in the report said they are watching the fuel market closely heading into the fourth quarter, when freight volumes typically pick up and fuel demand rises further.
Source: WYMT -- https://www.wymt.com/2026/09/26/diesel-prices-hit-record-high-iran-war-continues/