Inside Tesla a team has been feverishly working to reinvent the power cells that make EVs work. The founder of the world’s biggest battery maker said the effort was doomed to fail.

Tesla CEO Elon Musk thanked Xi Jinping for the "rapid development of China's new energy vehicle industry" while at a dinner meeting in San Francisco, Tesla's Weibo account says.

It's a policy that has benefited Elon Musk, Tesla's CEO and Trump's newly appointed head of the proposed Department of Government Efficiency. Musk, a vocal Trump supporter and the world's richest person,

Musk spent millions to help Trump get elected and was one of his most vocal supporters. But he could butt heads with Trump over China.