Research shows black passengers wait longer than whites, and women are often overcharged.
The case could set a precedent for tens of thousands of workers.
Uber's 99-page white paper imagines a Jetsons-like future filled with on-demand flying cars.
Uber-owned Otto sent the first autonomous commercial shipment 120 miles across Colorado.
Uber's plan to replace its 1 million drivers with robots is underway.
Uber Mexico said in a statement that it bore no responsibility but was cooperating with the authorities.
A fleet of the cars could be on public roads in one U.S. city by 2017.
Five companies have put aside their differences to help create a national framework of laws for self-driving cars.
The agencies requested information on trips, trip requests, pickup and dropoff areas, fares, vehicles, and drivers.
But the taxi company says it will not change its vetting process for drivers.
Taxi drivers warn they will take the tournament “hostage” if private hire cabs are not regulated.
"I'm currently in prison because of Uber," writes the Kalamazoo mass shooting suspect.
UberMOTO will be trialled in Bangkok, where users will be able to hail a motorbike.
The issue has long plagued the ride service.
“The focus on Uber is a distraction from the availability of guns in the hands of people who perhaps shouldn't have such easy access.”