Upon successful certification, deliveries of new Volvo VNL and VNR trucks with CARB-24 Omnibus compliant engines are expected to begin in the fourth quarter.

Low-carbon fuels are in the spotlight as California’s Air Board and Energy Commission prepare to review policies and update guidance.

It's been years in the making. But a 100% all-Cummins heavy-duty powertrain is a reality today. Watch the first in our three-part video series to take a...

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.

International’s S13 Integrated Powertrain has now been approved to run on renewable diesel fuel -- sustainable fuel that can directly replace traditional...

President Donald Trump on June 12 signed Congressional resolutions that revoked the Environmental Protection Agency waiver for three California vehicle...

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

Thermo King’s new enhanced telematics platform offers real-time insights to help improve fleet uptime, operational efficiency and regulatory compliance.

Noregon now offers heavy-duty truck owners a pre-scan to detect issues that could run afoul of California's Clean Truck Check rules.

Why does CARB seem so reluctant to designate renewable natural gas as a clean truck fuel for long-haul trucking fleets? HDT asked NACFE analyst Kevin Otto...