April 28, 2026 The Hidden Costs of Fuel Volatility

Fuel surcharges are rising fast – and reshaping shipping costs. Here’s how logistics leaders can regain control.

By Jack McCrum, Director, Optimization and Analytics, Reveel

Fuel prices have always been a concern for global markets, but recent geopolitical instability — particularly in critical shipping corridors like the Strait of Hormuz — has brought renewed attention to energy costs. For most businesses, the immediate concern is obvious: higher transportation expenses and rising costs across supply chains.

But for logistics and operations leaders, the real risk runs deeper, and is far less visible.

Fuel volatility is no longer just a line item. It is quietly reshaping shipping economics through increasingly complex and dynamic fuel surcharge mechanisms. And in many cases, these surcharges are no longer simply cost-recovery tools for carriers; they are becoming significant revenue drivers.

For organizations that rely on parcel shipping to power e-commerce and omnichannel fulfillment, failing to understand and manage this shift can lead to substantial and unexpected cost increases.

The Growing Complexity Behind a “Simple” Surcharge

At a high level, fuel surcharges appear straightforward. Carriers reference publicly available fuel price indices — typically diesel for ground shipments and jet fuel for air — and apply a corresponding surcharge based on predefined tables. As fuel prices rise or fall, the surcharge percentage adjusts accordingly.

In theory, this creates a fair mechanism to account for fuel cost fluctuations. In practice, however, the reality is far more complex.

Most major carriers update their surcharge tables frequently (often weekly) and tie them to external benchmarks such as the U.S. Energy Information Administration fuel price data. But critically, these tables are not static. Carriers retain full control over how surcharge percentages are structured and can revise them at their discretion.

This means the relationship between fuel prices and surcharges is not always linear or predictable. Adjustments to the tables themselves are sometimes made with little advance notice, and can materially increase shipping costs even when the underlying fuel prices remain relatively stable.

For high-volume shippers, even small percentage changes can translate into hundreds of thousands of dollars in additional annual spend.

When Cost Recovery Becomes Revenue Expansion

Fuel surcharges were originally designed as a risk-sharing mechanism, allowing carriers to offset fluctuations in fuel costs without constantly renegotiating base rates. Over time, however, their role has evolved. Today, surcharges often function as a margin lever.

Because many surcharges are applied as a percentage of the base shipping rate, they scale with shipment value. This creates a compounding effect: as base rates increase, whether due to general rate increases, peak surcharges, or service upgrades, the fuel surcharge grows as well.

Additionally, surcharges are frequently applied not just to transportation costs, but to a wide range of accessorial charges, including residential delivery, remote area service, and peak season fees. The result is a layered cost structure where fuel-related charges extend far beyond the core shipment itself.

Compounding the issue further, surcharge reductions do not always mirror fuel price declines in either timing or magnitude. While increases are often implemented quickly, decreases may lag behind or be less pronounced.

For shippers, this creates an asymmetrical cost dynamic; one where upward pressure is rapid and consistent, while downward relief is slower and less predictable.

The Ripple Effect on E-Commerce and Omnichannel Operations

For businesses operating in e-commerce and omnichannel environments, these dynamics have far-reaching implications.

Shipping is no longer just a fulfillment function, it has instead become a core component of the customer experience and a critical driver of profitability. Free and expedited shipping expectations have forced many organizations to absorb a significant portion of delivery costs, leaving little room for error.

However, as fuel surcharges rise, margins compress.

Retailers and distributors are often left with difficult choices: pass costs on to customers, reduce service levels, or absorb the impact internally. None of these options are particularly attractive, especially in a competitive environment where pricing transparency and delivery speed are key differentiators.

Moreover, the volatility of fuel-related costs makes forecasting more challenging. Traditional budgeting models that rely on stable or predictable shipping expenses are increasingly inadequate in a landscape where surcharges can shift weekly, or where calculation methodologies themselves can change multiple times per year.

Why Many Organizations Are Caught Off Guard

Despite the growing impact of fuel surcharges, many organizations still treat them as a passive or unavoidable expense.

There are several reasons for this:

1. First, visibility is often limited. Fuel surcharges are embedded within carrier invoices and can be difficult to isolate, analyze, and track over time, particularly for organizations managing high shipment volumes across multiple carriers and service levels.
2. Secondly, the complexity of surcharge structures makes them challenging to model. Different carriers use different indices, update schedules, and calculation methods, making apples-to-apples comparisons difficult.
3. And third, internal ownership is frequently unclear. While transportation teams manage carrier relationships, finance teams are responsible for cost control, and e-commerce teams are focused on customer experience. Fuel surcharges sit at the intersection of all three, but are not always actively managed by any one group. The result is a lack of coordinated strategy, and missed opportunities to mitigate cost exposure.

Strategies to Regain Control

While fuel surcharges cannot be eliminated, they can be managed. Organizations that take a more proactive and strategic approach can significantly reduce their exposure and improve cost predictability.

Here are some steps to accomplishing this:

• Improve Visibility and Granularity: The first step is gaining a clear understanding of how fuel surcharges are impacting overall shipping spend. This requires breaking down invoices to isolate surcharge costs across carriers, service types, and accessorial categories. By analyzing trends over time, organizations can identify patterns, anomalies, and areas of disproportionate impact.
• Reevaluate Carrier Contracts: Although fuel surcharges are generally non-negotiable in principle, there is often room to negotiate the terms surrounding them. This can include: caps on maximum surcharge percentages; alternative calculation methodologies; more transparent and predictable adjustment schedules; and advance notification requirements for table changes. Even small adjustments can yield meaningful savings at scale.
• Optimize Service Mix and Routing: Different shipping services carry different surcharge profiles. Ground services, air shipments, and international deliveries are all affected differently by fuel costs. By strategically selecting service levels and optimizing routing decisions, organizations can reduce their exposure to higher surcharge categories without compromising delivery performance.
• Diversify Carrier Strategy: Relying heavily on a single carrier can increase vulnerability to surcharge changes. Expanding the carrier mix to include regional or alternative providers can create competitive tension and provide access to different pricing structures. Some carriers may offer more stable or predictable surcharge models, which can help mitigate volatility.
• Align Cross-Functional Ownership: Fuel surcharge management should not sit in a silo. Bringing together transportation, finance, and e-commerce teams ensures that decisions are made with a full understanding of cost, service, and customer impact. This alignment also enables more effective scenario planning and budgeting.
• Incorporate Surcharges into Pricing Strategy: Rather than treating fuel costs as an afterthought, organizations should incorporate them into broader pricing and fulfillment strategies. This may include dynamic shipping fees tied to cost fluctuations, threshold-based free shipping offers, and regional pricing adjustments based on delivery cost profiles. Taking a more holistic approach helps protect margins while maintaining competitiveness.

Looking Ahead: Preparing for Continued Volatility

Fuel markets are inherently volatile, and current geopolitical uncertainty suggests that fluctuations are likely to continue. At the same time, carriers are becoming more sophisticated in how they structure and adjust surcharges. The frequency of changes is increasing, and the mechanisms themselves are evolving. For logistics and operations leaders, this means one thing: fuel surcharges can no longer be treated as a background cost. They are a dynamic, controllable variable that requires active management, strategic oversight, and cross-functional alignment.

Organizations that invest in visibility, optimize their shipping strategies, and take a proactive approach to carrier management will be better positioned to navigate volatility, and to protect both margins and customer experience. Those that don’t may find themselves paying far more than they expect, for reasons that are anything but transparent.

About the Author
Jack McCrum is the Director of Optimization & Analytics at Reveel, specializing in shipping optimization and cost reduction strategies. With nearly a decade of experience in supply chain strategy and transportation cost management, he leads a team focused on helping businesses navigate carrier pricing changes, optimize networks, and improve efficiency.

Read more from the author:

Cutting Costs While Reducing Your Carbon Footprint | Supply Chain Brain, May 2025

Preparing for the Future: Navigating the GRI, Rising Fees, and the Role of AI in Shipping | Parcel, September 2025

Subscribe to Industry Today