The accident threw Uber’s autonomous vehicle efforts into flux, immediately forcing the suspension of its self-driving car tests in cities including Tempe, Pittsburgh and Toronto. Months later, Uber’s executives are divided over what to do with the autonomous business, according to the people familiar with the company. While one camp is pushing Mr. Khosrowshahi to seek partnerships or even a potential sale of the unit, known as the Advanced Technologies Group, a rival contingent is arguing that developing self-driving technology is crucial to Uber’s future, the people said.

Mr. Khosrowshahi remains undecided, the people said, though he has expressed a desire to partner with other companies on autonomous technologies. In recent months, Uber has started talking with a few auto manufacturers about potential partnerships, including supplying Uber’s autonomous driving technology for use in Toyota’s minivans, according to one person familiar with the talks.
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