Fuel Tax Trends in 2026: What Trucking Companies Need to Know About IFTA, Diesel Taxes, and Compliance

As diesel prices continue to fluctuate and lawmakers debate fuel tax relief measures, trucking companies across the country are paying closer attention to fuel tax compliance and International Fuel Tax Agreement (IFTA) reporting.

From temporary state fuel tax reductions to proposals to suspend the federal diesel tax, 2026 is shaping up to be a year of major fuel tax changes that could impact owner-operators, fleets, and transportation companies of every size.

For carriers already managing rising operational costs, understanding these fuel tax trends is critical to avoiding compliance issues, minimizing tax exposure, and improving cash flow.

Let’s break this down.

What Is Fuel Tax and Why Does It Matter to Trucking Companies?

Fuel taxes are taxes imposed on diesel and gasoline purchases at the federal and state levels. For trucking companies operating across multiple states, these taxes are reconciled through the International Fuel Tax Agreement (IFTA), which simplifies fuel tax reporting between participating jurisdictions.

Instead of filing separate fuel tax reports in every state, carriers file one quarterly IFTA return through their base jurisdiction.

However, that does not mean fuel tax compliance is simple.

Fuel tax obligations depend on:

• Miles traveled in each state
• Fuel purchased in each jurisdiction
• Quarterly fuel tax rates
• Temporary exemptions or tax suspensions
• Accurate mileage and fuel records

As fuel tax policies continue changing, accurate reporting is becoming more important than ever.

Trend #1: States Are Temporarily Reducing Fuel Taxes

Several states have explored fuel tax relief measures in response to rising fuel prices and inflation pressures.

Kentucky recently reduced state fuel taxes by 10 cents per gallon while freezing an anticipated tax increase. The diesel tax reduction lowered Kentucky’s diesel fuel tax to 12 cents per gallon.

Georgia also previously suspended its state fuel tax temporarily to help motorists and trucking companies offset rising diesel costs. During the suspension period, Georgia issued guidance stating that IFTA-licensed motor carriers operating in the state were exempt from the motor fuel excise tax.

While these temporary reductions may provide short-term relief, they also create additional compliance complexity for fleets operating across state lines.

Why This Matters for IFTA Reporting

When states temporarily reduce or suspend fuel taxes, carriers still need to:

• Track fuel purchases accurately
• Document miles traveled in each jurisdiction
• Apply correct tax rates during filing periods
• Maintain proper records for audits

Even a temporary fuel tax exemption can affect quarterly IFTA calculations.

Trend #2: Federal Diesel Tax Suspension Proposals Are Gaining Attention

Federal lawmakers have also discussed suspending federal fuel taxes as diesel prices remain elevated.

Currently, the federal diesel tax is 24.4 cents per gallon, while gasoline is taxed at 18.4 cents per gallon federally. (FHWA)

Supporters argue that suspending the federal fuel tax could lower costs for consumers and trucking companies. However, trucking industry groups have expressed concerns about the long-term impact.

According to the trucking associations cited in the source material, suspending federal fuel taxes without replacement funding could significantly reduce Highway Trust Fund revenue used for infrastructure projects and highway maintenance.

The concern is especially important for the trucking industry because commercial vehicles rely heavily on safe roads, bridges, and interstate infrastructure.

Trend #3: Fuel Tax Compliance Is Becoming More Complicated

Fuel tax rates can change quarterly, and every jurisdiction has different reporting requirements.

IFTA regularly updates jurisdiction tax rates, making it essential for carriers to use current data during quarterly reporting. (IFTA, Inc.)

For trucking companies operating in multiple states, this creates several compliance challenges:

Common Fuel Tax Compliance Issues

• Missing or incomplete fuel receipts
• Incorrect mileage reporting
• Misapplied state tax rates
• Unreported jurisdiction travel
• Late IFTA filings
• Poor recordkeeping during audits

Even small reporting errors can result in:

• Penalties
• Interest charges
• Audit findings
• Suspended IFTA credentials
• Increased administrative costs

Trend #4: Diesel Prices Continue to Impact Carrier Profitability

Diesel fuel remains one of the largest operating expenses for trucking companies.

According to the U.S. Energy Information Administration (EIA), diesel prices are influenced by several factors, including:

• Crude oil prices
• Refining costs
• Distribution and marketing
• Federal and state taxes
• Global supply disruptions

As diesel prices rise, accurate fuel tax management becomes even more important because every gallon purchased affects quarterly IFTA calculations and operational costs.

For many fleets, inefficient fuel tax reporting processes can quietly increase overhead and create avoidable financial exposure.

Trend #5: Accurate Recordkeeping Is Critical for IFTA Audits

With changing fuel tax policies and increased enforcement attention, carriers should expect continued scrutiny around IFTA reporting accuracy.

To stay compliant, trucking companies should maintain organized records for:

• Fuel receipts
• Trip reports
• Mileage by jurisdiction
• Vehicle identification numbers
• Fuel card reports
• Quarterly tax filings
• Driver logs
• Supporting documentation

Strong recordkeeping not only helps reduce audit risk but also improves operational visibility and reporting accuracy.

How CNS Helps Trucking Companies Manage Fuel Tax Compliance

Fuel tax reporting can quickly become overwhelming for trucking companies operating across multiple jurisdictions.

Between changing tax rates, quarterly filing deadlines, IFTA requirements, and audit preparation, many fleets struggle to keep up with the administrative workload.

That is where CNS can help.

CNS provides fuel tax and IFTA support designed to help trucking companies:

• Simplify quarterly fuel tax reporting
• Maintain accurate jurisdiction records
• Reduce filing errors
• Stay compliant with IFTA requirements
• Prepare for audits
• Save time on administrative tasks

Whether you are an owner-operator, small fleet, or growing carrier, our team can help you stay ahead of changing fuel tax regulations while reducing compliance headaches.

If your company needs support managing IFTA filings, fuel tax reporting, or compliance documentation, CNS is here to help.

Contact CNS today to learn more about our Fuel Tax Services and how we can help your fleet stay compliant, organized, and audit-ready.