California regulators have released a new proposal to allow the testing of self-driving heavy duty trucks on public roads.

With the introduction of the D13 VGT engine, Volvo Trucks North America is adding a variable geometry turbo option to its ...

Dallas, Texas-based RiteWay owner David Kosar operates this truck, powered by a Cummins N14, as part of the business, often ...

Mack designers said work on the new Pioneer model centered around the seat because that is where the driver spends most of ...