Elon Musk’s China trip pays off with key self-driving hurdles cleared

Elon Musk’s lightning visit to China appears to have paid immediate dividends, with Tesla clearing two key hurdles to introduce its driver-assistance system to the world’s biggest auto market.

The US electric car maker will partner with Chinese tech giant Baidu for mapping and navigation functions to deploy what it calls full-self driving, according to people familiar with the matter.

Tesla has also passed a key data security and privacy requirement in China, which would ...