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Fuel Smarts

Closeup of engine in Mack truck
Newsby Deborah LockridgeMay 13, 2026

Mack Unveils EPA 2027-Compliant MP13 Engine With More Power, Better Fuel Economy

Along with unveiling its EPA 2027-compliant MP13 engine, Mack outlined powertrain changes across its Class 6-8 lineup, including new Cummins-based X10 engines.

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Crowd at Volvo booth at ACT Expo
Newsby Deborah LockridgeMay 8, 2026

How Volvo’s New D13 Engine Meets EPA 2027 Emissions Without Sacrificing Power or Fuel Efficiency

Volvo says advances in combustion and aftertreatment helped its new EPA 2027 D13 engine avoid the fuel-economy penalties many once expected from tighter NOx emissions limits.

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Two men in chairs on stage with big video screen behind them showing Tesla Semi
Newsby Deborah LockridgeMay 7, 2026

'TCO’s Here.' Tesla Says Electric Semi Economics Are Ready for the Mainstream

Tesla’s Semi chief at ACT Expo outlined production growth, lower-cost models, charging expansion, and why the company believes fleets are leaving money on the table by waiting on electric trucks.

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Electric semi trucks parked at a charging station with overhead charging equipment, representing challenges in heavy-duty EV infrastructure deployment.
Newsby News/Media ReleaseMay 5, 2026

What Will It Take to Scale Electric Truck Charging? New Electrification Coalition Report Identifies 11 Solutions

A new report from the Electrification Coalition outlines key barriers slowing electric truck charging deployment and offers policy solutions to accelerate infrastructure growth.

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NACFE Run on Less 2026 findings.
Articlesby Jack RobertsMay 1, 2026

NACFE: Fleets Need to Recalibrate TCO Strategies as Electric Trucks Gain a Long-Term Edge

NACFE’s Run on Less data has found that recent setbacks aside, electric truck powertrains are trending toward market leadership by 2035.

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Gray Volvo tractor pulling trailer on open highway
Newsby Deborah LockridgeMay 1, 2026

New High-Horsepower Natural Gas Engine Could Expand Fleet Options

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is a better pathway to using hydrogen fuel in trucks.

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Illustration with oil wells silhouetted against red and gold sky

Why Fuel Diversification Matters for Trucking Fleets

Relying on diesel alone exposes fleets to fuel price volatility. Here’s why diversification with electric, natural gas, and renewable fuels can reduce risk.

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Range Energy eTrailer.
Newsby News/Media ReleaseApril 17, 2026

Range Energy Confirms eTrailer Performance in Winter Testing as Commercial Rollout Nears

Range Energy said its production-ready eTrailer system proved it can boost stability, safety, and efficiency in sub-zero winter conditions as the company moves toward scaled deployment.

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Circles with trucks demonstrating sustainable features and Top Green Fleets logo
Newsby Deborah LockridgeApril 16, 2026

Top Green Fleets of 2026: Nomination Deadline Extended

Is your company a leader in sustainability efforts among trucking fleets? If so, Heavy Duty Trucking's editors want to hear from you.

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Youtube thumbnail featuring man in Big-Lebowski-inspired sweater
Videosby Deborah LockridgeApril 13, 2026

New Lightweight Wheel Cover Targets Simpler Aero Gains [Watch]

Watch to learn how Deflecktor's new wheel cover design is taking a simpler approach to aerodynamics, with an eye toward making it more practical for both trucks and trailers.

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