The lawsuit, the first by a Chinese carmaker over U.S. tariffs, follows similar complaints by thousands of global companies with U.S. operations.

The EV giant accuses Washington of overstepping its authority to levy the tax under an emergency act as thousands of similar cases await a supreme court ruling

The lawsuit, the first by a Chinese carmaker over U.S. tariffs, follows similar complaints by thousands of global companies with U.S. operations.