The Electric: Plans Afoot to Make It Even Harder to Use Chinese Materials in U.S. EVs

Musk has said Tesla doesn't need subsidies. Photo: Kevin Lamarque/Pool/Getty

Auto and battery makers are bracing for the impact of potential U.S. tariffs. Now they may be facing another challenge: a move in Congress to make it significantly harder for companies that use Chinese-made battery material to get subsidies.