Ways To Create an Effective Fuel Purchasing Program

Fuel is one of trucking’s largest expenses. Learn how smarter fuel purchasing decisions can help fleets control costs and manage volatility over time.

March 25, 2026 | Trucker

Caucasian Semi Truck Driver in His 30s Looking at Diesel Tank Cap Looking For Leaks or Stolen Diesel Fuel. Transportation Industry Theme.

By: Cliff J.

I bring over 30 years of trucking industry experience to Acuity. I worked my way up from driving to managing the safety operations of a transportation company, culminating in owning and managing my own regional trucking company. My main goal at Acuity is to help you, the motor carrier, the owner/operator and the driver better understand the insurance industry and help shape Acuity’s products and services to better meet your needs. I regularly provide ongoing trucking training to Acuity employees to help them understand the unique needs of those in the trucking/transportation industry. With over 30 years in the transportation sector, as both a company driver and as owner and manager of a trucking company, I have first-hand experience that helps me understand the challenges truckers’ face, and detailed knowledge of transportation regulations. My experience coupled with a background in insurance loss control can help answer and provide solutions to any issues that may arise.

Fuel is one of the most volatile—and most expensive—line items in trucking. With diesel prices fluctuating significantly in recent years and even surpassing $5 per gallon in 2026, managing fuel is no longer just an operational task—it’s a strategic priority.

For fleets of any size, a well-designed fuel purchasing program can help control costs, reduce risk, and improve overall profitability.

Why Fuel Management Matters More Than Ever

Fuel consistently ranks among the largest operating expenses for trucking companies, often accounting for 15% to 30% of total costs.

And it’s not just the size of the expense—it’s the unpredictability.

U.S. diesel prices recently climbed above $5 per gallon, up sharply from prior months
Prices can vary widely by region, with recent EIA data showing over $1.00 per gallon difference between areas of the country
Sudden spikes—sometimes 40% or more in a month—can quickly erode margins

For fleets operating on thin margins, even small changes matter. A $0.10 increase per gallon can significantly impact annual fuel spend across a fleet.

What It Really Costs to Fill a Truck

A typical Class 8 truck holds 120–150 gallons of diesel fuel.

At recent price levels:

~$5.00 per gallon = $600–$750+ per fill-up
Higher-cost regions can push that even further

That means a single truck fueling multiple times per week can generate tens of thousands of dollars in annual fuel costs—making even small efficiencies meaningful.

Key Components of an Effective Fuel Purchasing Program

A strong fuel strategy goes beyond simply finding the lowest price. It should balance cost, control, and consistency.

1. Use Fuel Cards for Visibility and Control

Fuel cards provide:

Real-time tracking of fuel purchases
Controls on where and how fuel is purchased
Detailed reporting for better decision-making

This visibility helps identify inefficiencies, prevent misuse, and support more informed purchasing decisions.

2. Leverage Regional Price Differences

Diesel prices vary significantly by geography. According to the U.S. Energy Information Administration (EIA), regional differences can exceed $1.00 per gallon.

By planning fuel stops strategically:

Drivers can avoid high-cost areas
Fleets can reduce average cost per gallon without changing routes

Even modest improvements at scale can translate into major savings.

3. Implement Route-Based Fuel Planning

Fuel purchasing should be integrated into route planning—not treated as an afterthought.

Consider:

Where fuel is cheapest along a route
Tank levels relative to upcoming regions
Traffic and idle time that impact fuel usage

Combining routing and fueling decisions helps optimize both time and cost.

4. Monitor Fuel Efficiency Metrics

Tracking fuel consumption is just as important as managing price.

Key metrics include:

Miles per gallon (MPG) by vehicle
Idle time
Driver behavior (speed, acceleration, braking)

Improving efficiency reduces total fuel consumption—often delivering greater savings than price optimization alone.

5. Establish Fuel Policies and Driver Guidelines

A formal fuel policy creates consistency across your fleet.

Policies may include:

Approved fueling locations or networks
Required use of fuel cards
Idle reduction practices
Speed management expectations

Clear expectations reduce variability and help reinforce cost-saving behaviors.

6. Incorporate Fuel Surcharges Strategically

Many fleets use fuel surcharges to offset rising costs. These are typically tied to benchmarks like the EIA weekly diesel price index, which is widely used across the industry.

However, surcharges often lag behind real-time price increases, which means:

Sudden spikes can still impact short-term cash flow
Strong fuel purchasing strategies remain essential

7. Plan for Volatility, Not Stability

Fuel markets are influenced by global supply, geopolitical events, and economic demand—making them inherently unpredictable.

Recent events have shown:

Rapid price increases tied to global conflicts and supply disruptions
Significant short-term swings that impact operating costs

Building a program that anticipates volatility—not just average pricing—is key to long-term resilience.

Turning Fuel Strategy Into Competitive Advantage

Fuel purchasing is no longer just about controlling expenses—it’s about gaining an operational edge.

Fleets that take a proactive approach can help their operations:

Reduce exposure to price spikes
Improve budgeting accuracy
Increase overall profitability

In an environment where diesel prices can shift dramatically in a matter of weeks, a well-structured fuel purchasing program isn’t optional—it’s essential.