$5.38 Diesel, a War in the Middle East, and a Refinery Fire in Texas. Here Is Your Fuel Survival Plan for the Next 90 Days.

Let’s start with what the numbers actually look like. On March 1, diesel was averaging roughly $3. 90 per gallon nationally. By March 9, a single week produced a 96-cent spike — the largest one-week increase in diesel prices since the federal government began tracking the series. By mid-month it crossed $5. As of this week it is sitting at $5.

375 nationally, with California above $6 and lower-cost regions still tracking above $5. The cause is documented: U. S. and Israeli airstrikes against Iran starting February 28 effectively closed the Strait of Hormuz to most international oil tanker traffic. Twenty percent of global oil supply normally moves through that strait. It is not moving now.

A Valero refinery in Port Arthur, Texas — one of the ten largest in the country, processing 435,000 barrels per day — caught fire recently. Wholesale diesel futures jumped 16 cents on the news. That is an additional supply shock layered on top of a geopolitical one that has no confirmed resolution timeline.

During his session at MATS, DAT analyst Dean Croke said it plainly: small carriers on the spot market are getting dumped on. For spot market carriers absorbing it all-in, that money comes directly out of margin. There is no surcharge clause. There is no automatic adjustment.

There is the rate you agreed to and the pump price you are paying, and right now those two numbers have almost nothing to do with each other. This article is the plan for the next 90 days. Understand Exactly What This Is Costing You Per Load Before any strategy can work, the cost has to be quantified. Not estimated — quantified. At 6.

5 miles per gallon, a truck burning $5. 38 diesel is spending $0. 828 per mile in fuel. Three months ago at $3. 65, that same truck was burning $0. 562 per mile. The difference is $0. 266 per mile. On a 600-mile loaded run, that is $159. 60 more in fuel than the rate you probably negotiated was built to cover. On a 1,000-mile run, it is $266.

Run those numbers on your own actual loads. Use your real MPG — not a national average — and the actual fuel prices you are seeing in your operating region. Your number may be higher or lower than the national average depending on where you operate. California carriers are paying $6-plus per gallon.

Gulf Coast carriers have seen better pricing but still above $5. Regional variation is significant and your fuel cost analysis has to reflect where your truck actually fuels. That per-load cost increase is your anchor number for every conversation, every negotiation, and every load decision you make for the next 90 days.

Where You Buy Fuel Matters — Today More Than Ever The national average obscures a range of prices that can vary by 40 to 60 cents per gallon on any given day depending on location, fuel card program, and purchase timing. At $5. 38 average, that spread represents a meaningful per-mile cost difference that compounds across your annual mileage.

Fuel card programs are the most accessible tool for reducing per-gallon cost at the pump. Programs through factoring companies, truck stop chains, and independent fuel networks typically offer per-gallon discounts ranging from a few cents to 20-plus cents depending on the program and your volume. At $0. 10 per gallon savings across 100,000 annual miles at 6.

5 MPG, that is roughly $1,538 per year in fuel savings — meaningful for any operation. At $0. 20 per gallon, that is over $3,000. If you are not running a fuel card with a documented discount network right now, that is the first thing to fix this week.

Apps like GasBuddy, Trucker Path, and DAT’s fuel optimizer tools allow real-time comparison of diesel prices across truck stops on your route. The difference between filling up at the most expensive stop on a corridor and the cheapest can exceed $0. 30 per gallon during high-volatility periods like this one.

On a 150-gallon fill, that is $45 per fueling event — a number that adds up across the run. Plan your fills. In a normal fuel environment, fueling at the most convenient stop is a minor inefficiency. At $5. 38 per gallon, fueling 100 miles early because the next stop is $0.

25 cheaper is a rational decision that should be made before departure, not on the fly. Build fuel stop planning into your pre-trip process the same way you build in routing and appointment windows. The Contract vs.

Spot Divide Has Never Been More Important If there is one structural lesson from the current fuel spike, it is this: contract freight with a fuel surcharge clause is a fundamentally different business than spot market freight right now.

For carriers with contract freight, fuel surcharge schedules adjust automatically when diesel prices rise above trigger thresholds. Shippers absorb most of the cost increase through higher all-in rates.

The carrier is not made completely whole — surcharge schedules often lag actual pump prices by a week or two, and they typically do not fully cover deadhead miles — but they are substantially protected compared to a spot carrier