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Fuel Smarts

Illustration with oil wells, dollar bills, and a diesel fuel pump
Newsby Deborah LockridgeApril 7, 2026

Diesel Prices Surge Toward Record Highs as Oil Price Volatility Intensifies

Prices jumped another 24 cents in a week, with California topping $7.50 and new data showing fleet fuel costs may already be at record levels.

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Blue Volvo European cabover truck on snowy road
Newsby News/Media ReleaseApril 1, 2026

Volvo Testing Hydrogen-Fueled Internal Combustion Engines on Trucks in Europe

Hydrogen combustion engine trucks will be especially suitable over longer distances and in regions where there is limited charging infrastructure or time for recharging of battery-electric trucks, according to the company.

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Three CEOs pose displaying binders with memorandum of understanding
Newsby Deborah LockridgeApril 1, 2026

Toyota’s Entry Into Cellcentric Signals Push to Accelerate Hydrogen Truck Adoption

By joining Daimler Truck and Volvo, Toyota brings fuel cell expertise to a joint effort aimed at making hydrogen viable for heavy-duty transport.

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Illustration with oil wells, dollar bills, and a diesel fuel pump
Newsby Deborah LockridgeMarch 31, 2026

U.S. Diesel Prices Hit $5.40, Top $7 in California

Trucking operators are slowing speeds, cutting empty miles, and declining unprofitable freight as diesel costs continue to rise due to conflict in the Middle East.

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Illustration showing diesel exhaust fluid pump sign and EPA headquarters
Newsby Deborah LockridgeMarch 30, 2026

EPA Targets DEF Sensor Failures Behind Truck Derates

New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary derates and downtime caused by failures in the sensors designed to monitor diesel exhaust fluid on trucks.

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Podcast thumbnail saying "Trucking's Digital Frontier"
Videosby Deborah LockridgeMarch 26, 2026

What's Real in Advanced Truck Technology? ACT Expo's Erik Neandross Weighs In

Artificial intelligence, the software-defined vehicle, telematics, autonomous trucks, electric trucks and alternative fuels, and more in this HDT Talks Trucking interview

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Illustration with oil wells, dollar bills, and a diesel fuel pump
Newsby Deborah LockridgeMarch 24, 2026

Why Diesel Is Climbing Fast—and What the Iran Conflict Has to Do With It

With global oil flows disrupted, U.S. diesel prices have topped $5 across every region, climbing sharply in the past few weeks.

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Cyberstop column header depicting images related to cybersecurity and rising oil prices
Articlesby Ben WilkensMarch 20, 2026

From Diesel Prices to Cyberattacks: How the Iran War Is Affecting Trucking

The impact of the Iran conflict extends beyond fuel costs, bringing more fraud and cybersecurity risks to the trucking industry.

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Solar panels on top of a red Class 8 truck sleeper cab
Newsby Deborah LockridgeMarch 15, 2026

Vanair Introduces Solar, Battery Power Ecosystem for Class 8 Trucks

The company’s expanded EPEQ ecosystem includes flexible solar panels, lithium batteries, hydraulic power systems, and a portable fast charger for electric trucks.

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HDT Talks Trucking thumbnail saying: NACFE's Messy Middle: Which Fuel Wins?
PodcastsMarch 11, 2026

Run on Less “Messy Middle” Data Shows Multiple Paths for Truck Powertrains [Listen]

Listen as Mike Roeth of the North American Council for Freight Efficiency shares insights into battery-electric trucks, natural gas, biofuels, and clean diesel on this episode of HDT Talks Trucking.

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