According to sources familiar with the Trump Administration’s plans, the new rules would halt plans to raise fuel economy requirements in California and...

The California Air Resources Board has announced a public hearing on a proposed rule change that would extend maintenance support for faulty emissions...

Millions of dollars in settlements from the VW diesel emissions cheating scandal will be made available for clean vehicle technology in California and...

Biodiesel and renewable diesel fuels may not be as clean as other alternative fuel types or powertrains but their widespread adoption reduced emissions more...

The California Air Resources Board (CARB) outlined a proposal of Advanced Clean Truck regulations that would divide truck segments into three classes and...

In Southern California, Toyota and Kenworth unveiled a jointly developed fuel cell electric heavy-duty truck, the result of a collaboration with the...

Meritor has been contracted all-electric drivetrain systems under its Blue Horizon technology brand for 38 terminal tractors that will be used at the Port...

Unlike passenger vehicles, which require biennial smog checks in California, heavy-duty diesel trucks are not currently required to undergo regular...

Volvo Trucks announced plans to sell an all-electric truck called the Volvo VNR Electric in North America by 2020.

Government entities and industry leaders have signed on to a new program to accelerate the deployment of zero-and near-zero emissions commercial vehicles...