Pursuits

Musk Holds Swagger in Check After Tesla’s Wild Ride in 2013

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Elon Musk, co-founder of electric-car maker Tesla Motors Inc., is known for speaking out even on some of his most ambitious ideas. Now he says he’s trying to show restraint and let his company’s actions do the talking.

Over the years, Musk has proposed colonizing Mars and developing a fifth form of human transportation. More recently, he’s challenged the auto industry’s retail model and pushed to limit federal regulators’ oversight of Tesla’s chargers. He said in an interview it’s time to under-promise and over-deliver.