Absent a federal standard, states that allow autonomous vehicles, or AVs, to circulate have had to make up their own rules.

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 ...

There are autonomous features that drivers are comfortable with, such as the speed-maintaining cruise control that can make longer drives a little less daunting, and those that they just aren't. Just ...