President Donald Trump renewed his threat to impose tariffs on European automobiles if he does not see progress in negotiations with the U.S. and Europe.
Automakers are also facing headwinds related to a trade war with China and threats of further tariffs up to 25 percent that could be implemented in November.
The Trump administration has denied requests by Tesla for tariff relief on components of its electric vehicles, and rejected Uber's petition to waive tariffs on electric scooters and at least 50 separate requests by General Motors.