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Uber has resumed testing of robot cars in San Francisco, two years after one caused a fatal accident in Arizona.

Uber has been granted permission from California regulators to test self-driving cars on state roads, the ride-sharing company announced Feb. 5.

The feature is being tested across some airport routes “to preserve flexible work” for California drivers, a spokesman said.

Uber Technologies Inc. overhauled its ride-hailing app for California users, tweaking fares and features to respond to a new state law designed to reclassify drivers as employees.

Uber Technologies Inc. has lost another ruling in Germany, after a regional court in Frankfurt ruled Dec. 19 that the company may not process orders for car-hire companies through its app.

SAN FRANCISCO — Tired of San Francisco streets being used as a testing ground for the latest delivery technology and transportation apps, city leaders are now requiring businesses to get permits before trying out new high-tech ideas in public.

A new analysis by Barclays Capital of about 2.4 billion taxi and ride-hailing trips in New York City addresses the biggest question investors have about Uber Technologies Inc. and Lyft Inc. When will they turn a profit?

LONDON — London’s transit authority Nov. 25 refused to renew Uber’s operating license over concerns about impostor drivers, with the ride-booking company vowing to appeal the decision as it struggles to secure its future in the British capital.

A 2018 fatal pedestrian crash involving an Uber Technologies Inc. automated vehicle in Arizona indicates that the challenges of self-driving vehicle operations have not yet been solved, and underscores a lack of sufficient federal and state oversight of developmental automated vehicle testing, investigators with the National Transportation Safety Board said at a Nov. 19 hearing in Washington.

Uber Technologies Inc.’s self-driving vehicle unit lacked an effective safety culture at the time when one of its test vehicles struck and killed a pedestrian in Tempe, Ariz., in 2018, National Transportation Safety Board Chairman Robert Sumwalt said Nov. 19.