Tesla’s push for growth in the world’s largest auto market is being led by CEO Elon Musk’s focus on artificial intelligence and self-driving vehicles. Reuters, citing unnamed sources with knowledge of Tesla’s work in China, reports that the company has been developing plans to build a data center in the country, which would train the algorithm needed for its cars to become more fully autonomous. If Tesla does proceed with those plans, it would be a major change from its past efforts to secure...