The Middle of the Road Just Got Narrower
June 29, 2026The Calm Before the Spike
What ATRI’s Fuel Numbers Really Say
Fuel costs start at the source, long before diesel ever reaches the pump.
Every year, the American Transportation Research Institute (ATRI) publishes one of trucking’s most closely watched benchmarks: the Analysis of the Operational Costs of Trucking. The 2026 update, covering 2025 data, tracks costs across driver pay, equipment, insurance, and fuel, giving carriers and shippers a clear picture of what it actually costs to move freight.
For once, fuel gave the industry a break. Diesel prices swung by just 41 cents between their highest and lowest points in 2025, the calmest year since before the pandemic. That stability held the industry’s average fuel cost to $0.482 per mile, barely a tenth of a cent higher than 2024.
Scale mattered. In the truckload sector, fleets running more than 1,000 trucks spent 8.8 cents less per mile on fuel than fleets with fewer than 5 trucks, a gap ATRI attributes to both economies of scale and newer, more efficient equipment. Specialized carriers, the category that includes flatbed and oversize freight, generally paid more at the pump than truckload fleets of comparable size, though that gap narrowed in 2025.
Fuel economy also nudged upward, averaging 7.43 miles per gallon industry-wide, up slightly from 7.41 in 2024. Weight matters more than almost anything else here: trucks running between 60,000 and 70,000 pounds hit the sweet spot at 7.56 MPG, while loads above 70,000 pounds saw efficiency drop off, a detail worth knowing for anyone specing out heavy or oversize hauls.
None of these numbers exist in a vacuum. ATRI corroborates its fuel data against EIA figures and builds it into a report that also tracks driver pay, equipment costs, insurance, and more, freely available at truckingresearch.org.
And as we all know too well, prices change, sometimes dramatically. We’ll need to wait another year for ATRI’s next report, but we can already see, and with confidence, that those fuel prices spiked in 2026.
At NATCO, we read these reports closely because line-haul economics change how we route, spec, and price freight. Whether it’s a flatbed load headed cross-country or an oversize haul that needs special permitting, we’re always looking for the most economical way to get yourr freight from Point A to Point B.