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Illustration of Department of Justice building superimposed by truck exhaust stacks
NewsJanuary 27, 2026

Justice Department Pulls Back on Criminal Prosecution of Diesel Emissions Deletes

The Trump administration has announced it will no longer criminally prosecute “diesel delete” cases of truck owners altering emissions systems in violation of EPA regulations. What does that mean for heavy-duty fleets?

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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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Graphic illustrating concept of California emissions regulations
Newsby Deborah LockridgeAugust 5, 2025

Is the Clean Truck Partnership Still Valid After EPA's California Waiver Repeal?

Truck makers question California's authority to amend or enforce its Advanced Clean Truck rules and challenge the viability of the Clean Truck Partnership agreement..

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A person in a gas mask.
Truck Techby Jack RobertsJuly 29, 2025

Don’t Feel Sorry for CARB and EPA: They had it Coming

Climate legislators overreached badly with the Advanced Clean Fleets rule. And now they’re paying a heavy price for their arrogance.

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Catharina Nilsson and Mathias Carlbaum, International Trucks.
Articlesby Jack RobertsMay 11, 2025

Q&A: International's Next Chapter with Mathias Carlbaum and Catharina Modahl Nilsson

Despite ongoing uncertainty in the North American trucking market, International’s leadership team says the storied OEM has worked through growing pains with Traton and is poised to deliver a host of new, cutting-edge products in the next two to three years.

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Lars Stenqvist, Volvo Group, Chief Technology Officer at ACT Expo 2025.
Truck Techby Jack RobertsMay 5, 2025

What I Learned at the ACT Expo 2025 Truck Show

The past year has been a rough one for climate activists. What would it mean for the trucking industry’s premier clean-fleet technology trade show?

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Newsby Jack RobertsMay 1, 2025

Republicans Try to Kill Off CARB Regulations

It's up to the Senate now to act on the House vote to revoke EPA waivers for California heavy-duty-truck emissions rules.

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ATA president Chris Spear.
Newsby Jack RobertsMarch 11, 2025

ATA President Spear Cheers Emissions Reg Rollbacks

In his address to attendees at ATA's TMC Annual Meeting in Nashville, on March 10, ATA president Chris Spear said that U.S. environmental policies are no longer being dictated out of California.

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Hino L Series truck.
Newsby News/Media ReleaseJanuary 17, 2025

Hino Hit with Massive Emissions Fines

Fines of more than $525 million have been levied against Hino Motors for falsifying data related to emissions performance by its heavy-duty diesel engines.

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Videosby Deborah LockridgeNovember 27, 2024

California, EPA, and the Uncertainty of Truck Emissions Regulations [Video]

Explore how fleets can deal with the shifting regulations and uncertainty of zero-emission trucks in this HDT Talks Trucking interview with Lacy Robertson, Director of Sustainability Solutions & Public Policy with Rush Enterprises.

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