The California Air Resources Board said Tuesday it withdrew its requests for federal approval to implement stricter emissions ...

Tech expert Kurt “CyberGuy" Knutsson takes a closer look at Shell's Starship 3.0: A natural gas big rig boosting efficiency 2 ...

The German automaker, a major Portland employer, reverses course after pause due to confusion over environmental rules.

One of the world’s largest commercial truck manufacturers is refusing to sell its diesel big rigs in Oregon, even though its ...

Daimler Truck North America resumes sales of its diesel trucks in Oregon on Monday, after clarifying recently implemented ...

California has decided to abandon its phase out of diesel trucks and requiring cleaner locomotives because of the incoming ...

A commercial hydrogen fuel station for big rig trucks opened in the spring at the Port of Oakland. It was opened by ...

California regulators say the Trump administration is unlikely to approve the rules and that they have no choice but to ...

The issue revolves around a clean truck mandate and how the Oregon Department of Environmental Quality counts sales.