What's going on with self-driving cars right now?

Pony.ai is the latest autonomous car company to make headlines for the wrong reasons. It has just lost its permit to test its fleet of autonomous vehicles in California over concerns about the driving record of the safety drivers it employs. It's a big blow for the company, and highlights the interesting spot the autonomous car industry is in right now. After a few years of very bad publicity, a number of companies have made real progress in getting self-driving cars on the road. If you're curious about what Pony.ai and some of the other major outfits are up to, here's a handy alphabetized guide to some of the key firms working on autonomous vehicles.