The startup caused some panic for tech stocks. But it is actually poised to expand use of artificial intelligence in the U.S.

A plan to widen the 605 and other freeways will increase, not help, congestion. That's bad for Angelenos and our environment.

In many ways, these have been tough days for Tesla. Falling sales. Squeezed profit margins. Proposed changes in US government policy that could cost the company billions.