SHANGHAI (AP) — A Tesla Inc. leader said Tuesday he believes its Shanghai factory operations will help resolve the challenges in achieving mass production of the company’s humanoid robots as the U.S. electric vehicle giant pivots to robotics. Wang Hao, Tesla’s vice president, said the Shanghai facilities, like other Tesla factories , will contribute after the company enters an era of robots. Wang, who also serves as president of Tesla China, told reporters on a government-organized tour of one