Truckers see the withdrawal of the state rule as a sign of more rollbacks of emissions rules as the Trump administration ...

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

In a striking setback to reduce California’s air pollution but a win for trucking companies, state regulators have walked ...

Big rigs have a green future ... 579, and 589 Peterbilt truck models. Peterbilt also uses the Cummins X15 in the model 589, ...

Powering the most basic Ram 2500 and 3500 pickups is still the 6.4-liter gasoline-burning Hemi V8, which drops 5 hp, now ...

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