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Infographic titled “Average Diesel Fuel Prices: July 2026” featuring a fuel nozzle, a line chart of rising on-highway diesel prices, and a regional bar chart showing price changes across U.S. regions with directional arrows.

News•Wayne Parham•July 29, 2026

July Diesel Trends Update

The average price of a gallon of diesel increased again this week, and the EIA reported a new national average of $5.31 at the start of the week.

Infographic titled “Average Diesel Fuel Prices: May 2026” featuring a fuel nozzle, a line chart of rising on-highway diesel prices, and a regional bar chart showing price changes across U.S. regions with directional arrows.

News•Wayne Parham•May 27, 2026

The national average price of a gallon of diesel decreased by more than 7 cents this week, and all five regions reported lower prices, ranging from just over 2 cents to more than 12 cents cheaper than a week ago.

News•News/Media Release•May 20, 2026

OptiMile Pro Launches Fuel Planning Platform to Cut Fleet Fuel Spend

OmtiMile Pro’s new software replaces the "fill up when empty" habit with a globally optimized fuel plan that picks the cheapest stop in the fleet's contracted network and the precise amount of fuel to load on every run.

News•Wayne Parham•April 28, 2026

April Diesel Trends Update

The national average price of a gallon of diesel dropped by more than 5 cents this week, and all but one region reported price decreases.

Chart shows increases or decreases of diesel fuel price in the US and five regions.

News•Wayne Parham•January 28, 2026

January Diesel Trends Update

Average diesel prices increased again this week, both nationally and across every region. The national average price increased by more than 9 cents.

Truck Chat Weekly Cheat Sheet video featuring Lauren Fletcher highlights 2026 fleet forecast trends, diesel fuel outlook, and regulatory compliance challenges for commercial fleets

Videos•Lauren Fletcher•January 26, 2026

2026 Fleet Forecast, Diesel Outlook & Compliance Reality in 60 Seconds

2026 is coming fast: fleet safety goes operational, tech becomes a system, diesel stays volatile, and compliance gets tougher. Quick hits, too.

Work Truck image of a fleet leader in a safety vest beside a chalkboard diagram showing fuel, EV charging, and biofuel paths, representing a flexible powertrain playbook for fleet planning in 2026.

Articles•Lauren Fletcher•January 21, 2026

The 2026 Powertrain Playbook Is Less About Picking a Winner and More About Building Resilience

EVs keep growing, but fleets are getting strategic. In 2026, energy reliability, targeted adoption, and alternative fuels shape the mix.

Articles•Wayne Parham•January 15, 2026

2026 Fuel Outlook: Diesel

Will the price of on-highway diesel fuel increase or decrease in 2026? While there are no surefire methods to forecast the price of a gallon of diesel, many factors can affect it.

News•Wayne Parham•December 31, 2025

December Diesel Trends Update

The national average price of a gallon of diesel decreased again this week, dropping by more than 4 cents and decreasing by nearly 11 cents over a two-week period. All regions are also reporting lower price averages.

A sign for alternate-fuel vehicle parking next to a fuel sign and an illustrated Earth, representing fleets balancing EV, hybrid, propane autogas, and diesel strategies in 2025.

Articles•Lauren Fletcher•December 12, 2025

Energy Strategies Shifted as Fleets Rebalanced Their Options in 2025 [Part 5]

Fleets shifted their energy strategies in 2025, prioritizing practical EV planning, hybrid growth, propane autogas savings, and smarter fuel decisions.

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