In an earnings call yesterday, Tesla CEO Elon Musk did his best to paint a positive portrait of the company’s robotaxi program. New cities are being added, more miles are being driven, and more people are experiencing Tesla’s unsupervised vehicles.

But Musk’s typical bullishness seemed to be absent from the call, as the occasional trillionaire sought to temper expectations about the program’s future.

“We’re going as fast as humanly possible in scaling Robotaxi,” Musk said, “while trying to ensure that we do not harm anyone at all and ideally do not even run over a pet.”

Musk’s insistence that Tesla’s robotaxi service was growing is clas …

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