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by Jenny Vander Zanden
Jenny Vander Zanden

4 min read

Fuel Surcharge Meaning: What It Is and How It Works

July 29, 2025

Jenny Vander Zanden
by Jenny Vander Zanden

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Fuel costs, influenced by factors like geopolitical tensions, shifts in supply and demand, and natural disasters, are a major variable in the transportation industry. These market factors make it challenging for companies to operate within their budgets. This is where fuel surcharges come in.

Fuel surcharges reimburse carriers for the fuel costs incurred by shipment. As fuel prices fluctuate, the shipper defined schedule helps reconcile the discrepancy. While fuel surcharges were introduced as a solution to provide a standardized way for carriers to recover the additional fuel costs incurred during shipments, they don’t ensure carriers get paid accurately for the fuel they procure. This gap highlights the need for more precise tools to address fluctuating fuel expenses. By implementing a real-time, lane-level solution, shippers can facilitate smoother reimbursements with their carriers—even in the most volatile markets.

What are fuel surcharges?

A fuel surcharge is an extra fee shippers add to the linehaul rate to offset changing fuel prices. It helps carriers adjust how much they get paid based on the market.  It's traditionally calculated on a fuel schedule and adjusts as diesel prices change.

How does a fuel surcharge work?

Traditionally, fuel surcharges are tied to a standard index, such as the U.S. Department of Energy’s weekly diesel price index. This index is a weekly average for fuel prices across the country. When fuel costs exceed a certain threshold, surcharges are triggered and applied to shipping invoices. For example, a base fuel price may be set at $1.20 per gallon. If the average fuel price for the week is $3.042 per gallon, the fuel surcharge will be $0.30.

Sample Fuel Surcharge Schedule

How are fuel surcharges calculated?

Fuel surcharges can be calculated in various ways, depending on shipper policies. Some shippers use a rate per mile, while others calculate fuel surcharges as a percentage of the linehaul rate. Understanding these calculations is critical for forecasting and budgeting.

Challenges of fuel surcharges

Although fuel surcharges are essential for covering fuel costs, they aren’t without their challenges. Here are a few limitations to consider:

  • Weekly average: Per-mile or percentage-based methods fail to reflect daily changes in fuel prices.
  • Retail price: Well-managed carriers procure fuel at wholesale prices, but the DOE provides a retail index for diesel fuel.
  • Tax variations: Over-the-road fuel taxes vary dramatically by state and make up a large portion of total diesel costs.
  • National average: Diesel commodity costs vary from one lane to the next.

The role of fuel management software in modern shipping

To gain control over fluctuating fuel expenses, many companies turn to fuel management software and market-based fuel reimbursement calculations, like Breakthrough’s Fuel Recovery program. These tools automate and streamline calculations, providing real-time insights into fuel consumption and costs.

Use actuals, not averages chart

Building on this, a zero-base rate strategy removes the base rate so that fuel is separate from the linehaul rate. This strategy enables shippers to continue using their existing fuel program, while gaining clearer insight into its components, leading to long-term advantages like reduced costs and enhanced operational efficiency.

The ultimate way to gain control of your fuel spend is by locking in fixed fuel prices for your network. Risk management solutions like T-Fuel help you manage your budget more effectively, gain clarity on your cost profile, and better predict your energy spend. Together, fuel management software and proactive strategies deliver key benefits, including:

  1. Improved accuracy: Automates fuel reimbursement calculations, reducing human error.
  2. Better forecasting: Enhances cost prediction capabilities, helping adjust budgets with confidence.
  3. Transparency and fairness: Ensures clear and equitable practices, fostering trust and accountability.

Update your fuel surcharge strategy to Fuel Recovery

Managing fuel surcharges doesn’t have to be overwhelming. By utilizing data-driven solutions like Fuel Recovery, you can identify cost-saving strategies, increase transparency, and foster stronger carrier relationships. Enter your data in our Fuel Savings Calculator to explore how much you could save!

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