Washington, D.C. — National average diesel fuel prices continue a steady downward slide, offering welcome cost relief to long-haul truckers, fleet managers, and independent owner-operators navigating tight freight margins. According to the Energy Information Administration, the national baseline hit $3.848 per gallon for the week ending May 13. That figure marks a clear drop from $3.894 per gallon at the start of the month and $3.947 per gallon at the close of April, sustaining a reliable downward trend that helps keep commercial trucks moving profitably.

Fuel expenses remain the single largest variable cost for any OTR truck driver or small-fleet business owner. Regional markets show stark contrasts, though nearly every major freight corridor is seeing relief at the pump. The Gulf Coast maintains the cheapest diesel in the country, slipping to $3.559 per gallon by mid-May down from $3.617 a week prior. Meanwhile, West Coast drivers continue to shoulder the highest burden despite falling numbers, watching averages decline from $4.625 in late April down to $4.551 per gallon in mid-May.

East Coast operations are experiencing similar downward momentum, with prices dropping to $3.916 per gallon by mid-May compared to $4.025 at the end of April, easing overhead along heavy freight corridors. The Rocky Mountain corridor stood alone as the lone exception to the national trend, ticking up slightly to $3.791 per gallon. Looking toward the rest of the operational year, federal energy forecasters project averages to hit $3.92 per gallon in the second quarter, $3.99 in the third quarter, and climb to $4.15 per gallon by the final three months of the year as supply and demand shifts catch up with the market.

What This Means for Drivers

For independent owner-operators running tight profit margins, these consecutive weeks of lower fuel expenditures translate directly to better weekly settlement sheets. CDL-A driver contractors working for trucking companies hiring new talent can leverage these lower operational costs to maximize take-home pay on spot market loads. Fleet maintenance budgets and fuel surcharge calculations also stabilize during periods of consistent downward price movement, making route planning and dispatching more predictable for regional carriers.

Industry Reaction

While carriers welcome any sustained relief from high operating overhead, industry analysts advise independent operators to prepare for eventual upward pricing pressures later in the year. Federal projections indicate that pump prices will gradually creep back up heading into the winter quarters, making fuel efficiency and route optimization critical habits for any OTR truck driver looking to protect their bottom line over the long haul.

Key Points

• The national average diesel price dropped to $3.848 per gallon by mid-May.
• The Gulf Coast recorded the lowest regional average at $3.559 per gallon.
• The West Coast remains the most expensive freight region despite falling to $4.551 per gallon.
• Federal forecasts expect diesel prices to climb gradually through the final quarters of the year.

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