Fuel Surcharge Optimization: Is the National Diesel Average Costing You More?

But there is a fundamental question that often goes unasked:

Does the diesel price used in your fuel surcharge actually represent where your freight moves?

One National Price. Very Different Fuel Markets.

Many trucking FSC programs use a national diesel price as their primary benchmark. It is simple, widely available and easy to administer.

The problem is that trucks don't operate on a national average.

Diesel prices vary across different regions of the United States, and those differences are not necessarily temporary. A transportation network concentrated in one part of the country can face a meaningfully different fuel-price environment from a network operating elsewhere.

Yet both may be evaluated using the same national benchmark. That creates an important question for shippers:

How closely does your FSC reflect the fuel economics of your actual transportation network?

Your FSC Table May Be Hiding More Than You Think

Most transportation teams know their linehaul/base freight rates well. Fewer regularly examine the assumptions embedded inside their FSC table.

Over thousands of shipments, even relatively small differences between a surcharge methodology and actual network conditions can become meaningful.

That is why a fuel surcharge audit should look beyond whether the correct surcharge percentage was applied. It should also examine whether the underlying methodology makes sense for the transportation network being priced. This is where fuel surcharge analysis becomes valuable.

The goal isn't simply to find a lower surcharge. It is to understand whether the mechanism used to calculate fuel reimbursement accurately represents the network.

Moving Toward Route-Aware Fuel Surcharge Intelligence

Transportation networks are becoming increasingly data driven. Routing, carrier selection, tendering and freight procurement are all becoming more sophisticated.

Fuel surcharge methodology can evolve as well.

Instead of treating every shipment as though it experiences the same national fuel market, route-aware fuel surcharge intelligence considers the relationship between transportation activity and the fuel-price environment in which that activity occurs.

The result is an opportunity to pursue more accurate fuel surcharges while maintaining transparency between shippers and carriers.

Why Fuel Surcharge Optimization Matters

For companies managing significant transportation spend, fuel surcharge optimization can uncover cost opportunities that traditional freight-rate negotiations may overlook.

A well-designed FSC strategy can help organizations:

• Reduce transportation costs by identifying misalignment within existing surcharge structures.
• Lower logistics expenses without relying exclusively on reductions in carrier base rates.
• Support better negotiation with carriers using data rather than arbitrary cost-reduction targets.
• Create a more transparent and defensible approach to fuel reimbursement.

The larger point is simple: fuel surcharge should not be treated as an automatic pass-through expense that nobody questions.

It is part of the transportation rate, and it deserves the same analytical attention as the rest of the rate.

A Better Question to Ask

Instead of asking:

What is our fuel surcharge?

Transportation teams should start by asking:

Does our fuel surcharge accurately represent our network?

The difference between those two questions is where meaningful fuel surcharge optimization begins.

Reference: Jairaj, V., Taylor, R., & Kanagaraj, D. (2026). Towards a Fair and Transparent Fuel Surcharge Mechanism: Incorporating Regional Diesel Price Variations in Truck Transport. IISE Annual Conference Proceedings, 1–6. DOI: 10.21872/2026IISE_16086.