Not everyone is completely in love with Waymo's self-driving cars zipping around local Arizona roads. The Arizona Republic reported Monday that the state has seen 21 cases in which an individual has assaulted a Waymo self-driving car over the past...

In the world of autonomous vehicles, Pittsburgh and Silicon Valley are bustling hubs of development and testing. But ask those involved in self-driving vehicles when we might actually see them carrying passengers in every city, and you'll get an almost...