Elon Musk's Tesla has applied to test and eventually deploy its Robotaxi vehicles in Phoenix, Arizona, following in the footsteps of market leader Waymo.

State of play: Waymo began deploying a fleet of cars with a human driver in Philly this week. Yes, but: You can't hail one.

State law currently prevents the cars from operating without a driver behind the wheel. Waymo is pushing to change that.

Trump’s domestic policy adds new borrowing limits and eligibility requirements for federal student aid programs.