The first solar cell ever made was built in the United States. Tesla, based in the US, was once the largest EV manufacturer in the world. The lithium-ion battery was codeveloped in the US. But today, China — not the US — is the largest manufacturer of solar cells and batteries. China’s BYD — not Tesla — is the largest EV manufacturer in the world. And China is starting to outrun the US on research and development investment. The US has a long history of taking the lead in clean energy,...