The Inflation Reduction Act, signed into law by President Joe Biden earlier this month, puts the U.S. on the path toward realizing its carbon reduction goals, in part by spurring its EV market. It has also plunged that same market into short-term chaos by requiring entire supply chains to be restructured in just a few years. The catalyst is the IRA’s steep requirements around where automakers can shop for critical battery materials if they want to be eligible for the $7,500 Clean Vehicle tax credit. China, the world’s largest producer of such supplies, is not on the list. As a...