Uber is investing hundreds of millions of dollars into Lucid and autonomous vehicle technology startup Nuro in a bid to launch its own robotaxi service.

The ride-sharing company also announced it’s making separate multi-hundred-million dollar investments in both Lucid and Nuro.

Uber is investing $300 million in Lucid and taking a stake in Nuro to launch 20,000 robotaxis, signaling its return to autonomous driving.