A spokesperson for the California Department of Motor Vehicles said the Trump administration "has no legitimate basis" to ...

California regulators have released a new proposal to allow companies to test self-driving heavy duty trucks on public roads. The California Department of Motor Vehicles announced proposed regulations ...

When California issued its Advanced Clean Fleets rule in 2022, proponents hailed it as a forward-reaching effort in the most populated state's battle against air pollution. In it, regulators banned ...

U.S. Homeland Security officials say a 21-year-old semitruck driver accused of being under the influence of drugs and causing ...

California and major truck manufacturers announced a deal today that would avoid a legal battle over the state’s landmark mandate phasing out diesel big rigs and other trucks. “It’s great to have them ...