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Emissions

Regulations
Clean Truck group asks truck and engine OEMs to drop lawsuit
Global environmental organizations, including the Sierra Club and NRDC, are pressuring major truck manufacturers to honor the Clean Truck Partnership.
September 18, 2025
Red semi-trucks and passenger vehicles driving on a highway through green forested landscape
Regulations
Will the second half of this legislative session be as exciting for transportation as the first?
The EPA is poised to roll back GHG Phase 3 and NOx rules, but legal challenges are guaranteed.
September 11, 2025
White semi-truck driving on highway with emissions regulations text overlay
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February 19, 2025
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Regulations
California’s ‘smog check’ for out-of-state trucks: EPA proposes to disapprove
EPA's proposal would keep the Clean Truck Check regulation in place for heavy-duty vehicles registered in California, but would disapprove the reg's out-of-state and out-of-country applicability.
August 25, 2025
Truck Exhaust Stack Emissions Adobe Stock 137722846
Regulations
DOJ joins lawsuits against CARB over Clean Truck Partnership
The Justice Department has filed motions to join two lawsuits challenging CARB's enforcement of preempted emissions regulations through the Clean Truck Partnership with OEMs. Also: A. Duie Pyle expands in New York; recalls from International, Mack, Volvo.
August 19, 2025
Speeding California Adobe Stock 304155283
Alternative power
U-turn on the clean trucks deal is bad for the trucking industry
In an era of political whiplash, the Clean Truck Partnership was meant to be a stabilizing force.
August 14, 2025
Loblaws Vnr Electric Customer Event
Emissions
Feds, Nebraska end antitrust investigations of truck makers over emissions pact
Truck and engine manufacturers faced antitrust suits over the agreement to meet CARB mandates even if those mandates were deemed unlawful.
August 13, 2025
Adobe Stock 1341146909
Maintenance
EPA asks truck OEMs to end 5 mph engine derate for aftertreatment woes
The EPA's new guidance on tiered DEF derates aims to improve highway safety, but could it lead to more costly aftertreatment system damage?
August 12, 2025
Adobe Stock 1577456237
Regulations
OEMs file lawsuit over 'backdoor' enforcement of banned CARB regs
A group of truck OEMs claim CARB has breached the Clean Truck Partnership and that federal law invalidates the agreement.
August 11, 2025
Nfi Vnr Electric Customer Event (1)
Regulations
Truck aftertreatment systems are here to stay
What does the Trump administration's pending repeal of GHG regulations mean for SCR, your DPF and DEF?
August 6, 2025
Adobe Stock 634238856 Editorial Use Only
Emissions
Groups warn OEMs over possible Clean Truck agreement exit
Amid debate over its validity, advocates are pressuring truck makers to end their "silence and equivocations" and honor the Clean Truck Partnership, warning that abandoning it will cost lives and undermine EV investments.
August 4, 2025
Adobe Stock 767213201
Regulations
Repeal of truck emissions regs 'doesn’t help the trucking industry'
The GHG3 final rule had been derided as a de facto electric truck mandate.
July 30, 2025
Adobe Stock 724507664
Emissions
EPA set to unravel 'disastrous' federal trucking emissions regulations
The proposal would remove all greenhouse gas standards for heavy-duty vehicles and heavy-duty engines.
July 29, 2025
If finalized, this proposal would remove all greenhouse gas standards for light-, medium- and heavy-duty vehicles and heavy-duty engines, starting with EPA’s first greenhouse gas regulations set in 2010 for light-duty vehicles and those set in 2011 for medium-duty vehicles and heavy-duty vehicles and engines – which includes off-cycle credits like the much hated start-stop feature on most new cars.
Alternative power
Trump’s emissions rollback: What motor carriers & private fleets must know
While the trucking industry gains temporary relief from complex mandates, fleet managers must now navigate significant uncertainty, balancing the outcome of litigation against ongoing market demands for sustainability.
July 15, 2025
Img 7453
Alternative power
Is it time to revisit your company’s product roadmap?
This year's disruptions are a game-changer. Companies that strategically adjust their product roadmaps will win.
July 11, 2025
Bridge Graphic Final Copy
Alternative power
'Big Beautiful Bill' removes biofuel, renewable diesel 'disadvantage,' experts claim
A new bill could be a big win for greener trucking. By restoring tax parity for biofuels, the legislation aims to fix a failing market, lower emissions with renewable diesel, and reduce costs for consumers.
June 30, 2025
According to ATRI research, while both renewable diesel and battery electric pathways have implementation costs, relying on BEV to decrease CO2 emissions is nearly six times more expensive than using RD.
Regulations
Trucking association challenging CARB's Clean Truck Partnership with OEMs
The Western States Trucking Association believes the CTP is a regulation, meaning CARB did not follow state rules in implementing it. Also: Torc opens new innovation center in Michigan; Senate bill would increase dry bulk axle-weight variance; more.
June 25, 2025
Electric Truck
Alternative power
California doubles down on emissions regulations, starts work on next generation rules
Truck manufacturers and dealers find themselves in the crosshairs as California Gov. Gavin Newsom directs state to begin work on next generation emissions regulations.
June 12, 2025
20250603 Mack Trucks Donates Electric Refuse Chassis To Río Hondo College To Advance Heavy Duty Ev Training
Regulations
Trump signs resolutions to ‘kill’ California’s emissions waivers
President Donald Trump on Thursday signed two trucking-related congressional resolutions that end the California Air Resources Board’s electric truck sales mandates and strict emissions standards.
June 12, 2025
President Donald Trump on Thursday signed three Congressional Review Act bills to end California's electric vehicle sales and truck emissions mandates.
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Top Stories
Red semi-trucks and passenger vehicles driving on a highway through green forested landscape
Regulations
Clean Truck group asks truck and engine OEMs to drop lawsuit
Global environmental organizations, including the Sierra Club and NRDC, are pressuring major truck manufacturers to honor the Clean Truck Partnership.
Line of big rig semi trucks with loaded semi trailers standing on the at the weighing station with scales for weighing along the axes.
Regulations
Group launches campaign against heavier truck limits
White semi-truck parked in front of stacked shipping containers in industrial yard
Business
Multimodal group established to modernize freight movement
Crowded freight train yard with multiple colorful cargo containers and train cars
Business
Two rail carriers join forces, go after Memphis to Nashville truck freight
International And Plus Ai Fleet Trials Autonomous Truck
Equipment controls
International kicks off self-driving truck trials with fleets
CCJ Top 250
Get all the info on the top 250 trucking companies in America
View, sort and download the trucking industry’s most comprehensive ranking of for-hire carriers in North America, based on a blend of metrics including fleet size, annual revenue and number of drivers.
Get the free report
White Papers
In House or Outsourced Maintenance
The decision between bringing fleet maintenance in-house versus outsourcing is a pivotal one that could significantly affect your operations.
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