The chair of the Senate Banking Committee, Senator Sherrod Brown, wrote "Chinese electric vehicles are an existential threat to the American auto industry". His comments are the strongest yet by any US lawmaker on the issue, while others have called for steep tariffs to keep Chinese electric vehicles (EV) out of the country. In February, the White House said the US was opening an investigation into whether Chinese cars pose a national security risk. "We cannot allow China to bring its governm...