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Emissions: Page 2
Regulations
Bill targets 'life-threatening' engine derates in extreme cold
A new Senate bill targets "life-threatening" engine shutdowns caused by emissions systems in cold weather.
November 12, 2025
Alternative power
Groups press states to leverage public funds to lower electric truck prices
Clean energy advocates are urging regulators in California, New York, and Washington to mandate ZEV truck price disclosure as a condition for state incentives.
November 8, 2025
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May 12, 2026
Regulations
OEMs win first round of CARB's Clean Truck lawsuit
Court: CARB is "enjoined from implementing, enforcing, attempting to enforce, or threatening to enforce the Clean Truck Partnership."
November 3, 2025
Emissions
CARB suing truck manufacturers, allege group breached emissions deal
Legal battle over the Clean Truck Partnership escalates as CARB files a lawsuit against truck makers.
October 30, 2025
Regulations
New legislation takes aim at emissions control devices
The Diesel Truck Liberation Act would prohibit federal requirements for emissions control devices and onboard diagnostic systems and not allow prosecution under federal law for tampering with emissions equipment. Also: Truck Parking Club expands.
October 20, 2025
Regulations
CARB rips EPA's 'sloppy and amateurish' effort to repeal GHG regs
CARB charges that the EPA is ignoring decades of its own science to repeal greenhouse gas regulations, putting public health and the economy at risk.
September 23, 2025
Regulations
Truck makers' challenge to Clean Truck pact a response to a bad deal
Truck manufacturers are challenging the Clean Truck Partnership not out of bad faith, but due to a changed legal landscape and poor EV truck sales.
September 22, 2025
Regulations
CARB proposes 'emergency' emissions regs to reinstate prior regulations
Following Congress and the Trump administration's disapproval of EPA waivers, CARB is looking to reinstate previous regulations as lawsuits play out. Also: Robinhood ELD revoked by FMCSA; Iowa ag haulers get weight-limit relief; Averitt earns sustainability recognition.
September 22, 2025
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
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
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
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
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
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
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
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
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
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
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Top Stories
Regulations
Trucking groups: No thanks to suspending fuel tax
Estimates from experts at the University of Pennsylvania note that, "consumers would see roughly 60%-72% of the tax savings at the pump."
Business
Nuclear verdicts and surging premiums: Trucking leaders sound the alarm
Insurance
The hidden cost of lawsuit abuse in the trucking industry
Emissions
Diesel's future bright amid stringent 2027 regulations
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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.
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