The semi-truck driver who pleaded guilty to causing a chain-reaction crash that killed three people last year in Ontario, California, was sentenced to four years and eight months in prison Tuesday. Dramatic dashcam video showed the big rig,

A big rig driver escaped injury after crashing into a utility pole in western Placer County on Tuesday, bringing down live power and fiber optic lines, sparking a small grass fire and knocking out electricity to nearly 1,

Big rigs make up just 10% of the vehicles on the road, but they account for nearly 30% of vehicle carbon emissions. Unlike its rivals, California-based Range Energy is focused on electrifying trailers, not tractors. The electrified trailer can propel and ...