The ride-sharing giants are having a good Monday, following Uber's announcement of a $1.5 billion accelerated share-repurchase program. In the young year, Uber is up about 10%, while Lyft is up 12%. D

Customers in Atlanta and Austin, Texas, will be able to hail one of these driverless rideshare cars via the Uber app.

Uber and Lyft are set to launch robotaxis in select US cities, focusing on safety and infrastructure challenges.

After ending their own driverless plans, the ride-sharing companies are embracing autonomous-vehicle operators and offering new app features.