The economic harm from potential U.S. tariffs on imported autos and components would dwarf that of any other trade policy implemented by the Trump administration so far, according to a new study.

Auto interests say the Commerce Department's findings should be shared now to lift the cloud of uncertainty that has crimped investment.

The Washington state House of Representatives is considering legislation that would require state and local agencies to purchase only electric vehicles by next decade.

The fate of legislation to restrict the president's trade powers will be an important test of the auto industry's clout in the new Congress.

The findings raise questions about whether automakers can make EVs appealing to consumers in cold-weather states.

Dingell, a Democrat who represented a huge swath of metro Detroit, became the longest-serving member of Congress and a staunch supporter of the U.S. auto industry.

Congress is launching new attempts to curtail President Trump's authority to impose tariffs on light vehicles amid an escalating campaign by the auto industry and other business groups to force congressional action on the president's bid for greater power.

In his State of the Union address, President Trump said the renegotiation of NAFTA rectifies a "historic blunder" that led to the migration of good-paying jobs to Mexico and urged lawmakers to approve the U.S.-Mexico-Canada replacement.

The Republican-controlled Senate Environment and Public Works Committee approved the nomination of Andrew Wheeler to lead the EPA and advanced his nomination to the full chamber.