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Illustration of Los Angeles smog, truck exhaust smoke, and CARB logo
Newsby Deborah LockridgeSeptember 16, 2025

What Standards Apply? CARB Moves to Clarify Emissions Rules Amid Legal Limbo

California is issuing emergency rules reinstating prior emissions standards to ensure vehicles can still be sold in California amid unprecedented legal uncertainty.

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Newsby Deborah LockridgeJuly 24, 2025

California Gives OEMs More Flexibility on Clean Truck Certifications

California has tweaked its clean-truck certification rules to make things a little more flexible for truck makers to meet California's Advanced Clean Truck and NOx emissions rules as outlined in the Clean Truck Partnership.

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HDT Talks Trucking: Hexagon Agility
Videosby Jack RobertsMarch 20, 2025

Why Hexagon Agility is Bullish on RNG as a Truck Fuel

Renewable natural gas is, well, a natural when it comes to replacing diesel as a clean fuel for truck fleets. Hexagon Ability's senior vice president, global sales and marketing Americas, tells HDT Talks Trucking why.

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Cummins cylinder deactivation system.
Newsby News/Media ReleaseJuly 17, 2024

Jacobs Says Cylinder Deactivation Delivers 2.76% MPG Boost

Cummins says fuel savings of 2.76% were returned in the first SAE J1321 (Society of Automotive Engineers) standardized fuel consumption testing of its new Jacobs cylinder deactivation technology for diesel truck engines.

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Illustration of Volvo truck with hydrogen system
Newsby StaffMay 24, 2024

Volvo Plans Trucks With Hydrogen-Powered Engines by End of Decade

Volvo Trucks will launch trucks with combustion engines that can run on green hydrogen as a complement to other zero-emission vehicles.

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Videosby Deborah LockridgeApril 1, 2024

What Do Scope 3 Emissions Mean to Your Trucking Fleet?

With more attention being paid to Scope 3 emissions, may need to take a more proactive approach and a deeper dive into your company’s operations to attract and keep customers.

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Newsby News/Media ReleaseJanuary 22, 2024

ClearFlame Sells First FuelAdaptive Truck to Vander Haag's

ClearFlame has sold its first FuelAdaptive truck to Vander Haag’s, saying the truck will deliver lower emissions and the same performance as a diesel engine but with lower fuel costs.

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Newsby News/Media ReleaseDecember 12, 2023

NACFE: Increased Intermodal Transport Will Reduce Emissions

The North American Council for Freight Efficiency found that intermodal rail combined with zero-emission drayage vehicles are capable in combination of reducing freight emissions.

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Newsby Jack RobertsSeptember 6, 2023

Calstart Roadmap Would Speed Commercial EV Charging Infrastructure

A new study commissioned by Calstart details how utilities, industry, and government can work together to build the infrastructure needed to help transition trucking to a zero-emissions industry.

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Truck Techby Jack RobertsJuly 24, 2023

CARB-EMA: A Step in the Right Direction for Zero-Emission Trucking

The new emissions agreement between CARB and truck and engine OEMs isn't perfect. But it's a solid step in moving toward a zero-emissions trucking industry.

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