Add Yahoo as a preferred source to see more of our stories on Google. California can counter federal rollbacks by using a clean miles standard, indirect source rules and incentives to speed adoption ...

California regulators have released revised rules that would allow companies to test and eventually deploy self-driving trucks on public highways. The California Department of Motor Vehicles, the ...

“California demands that OEMs follow preempted laws; the United States maintains such laws are illegal and orders OEMs to disregard them,” explains the lawsuit. “This situation is not tenable.” ...