Today, Waymo announced its own expansion — minus the puerile humor. It’s just a bigger map with more customers for the Alphabet-owned company’s budding robotaxi business. And more pressure on Tesla to drop the dick jokes and get serious about autonomous driving.

Alphabet's Waymo is expanding its service in Austin, Texas, to 90 square miles from 37 square miles earlier, the software giant's self-driving unit said on Thursday, seeking to protect its top position in the city from rivals such as Tesla.

The new robotaxi program would outfit the Lucid Gravity SUV with Nuro Driver Level 4 autonomous software, deployed on Uber's platform and fleet management systems. Uber said the g