The March 11 letter to the U.S. Trade Representative’s Office, which is reportedly unsigned but on the company letterhead, warned that Trump’s tariffs ― including a 25% tariff on all steel and aluminum from Canada ― could negatively impact Tesla and other U.S. companies.

Elon Musk told investors to expect Tesla sales to grow this year. Plummeting sales in a growing number of countries complicates that goal.