
Tesla’s sales in Germany plunged 59 percent in January, the month when Elon Musk, the company’s chief executive and a close adviser to President Trump, chided Germans for focusing too much on “past guilt” for Nazi-era crimes and urged voters to support a nationalist party in the country’s general election. As Mr. Musk has been intent on slashing the U.S. budget through an initiative he calls the Department of Government Efficiency, the electric vehicle company he runs has been steadily losing market share across Europe. The automaker’s sales were down...