While other business factors also came into play, Tesla likely lost business in California as a result of the role Elon Musk played in the U.S. election.

Tesla Inc. registrations plummeted 63% last month in France, the European Union’s second-biggest market for battery-electric vehicles.

Tesla’s sales have dropped by double digits in California, the most important EV market in the US, all while the rest of the EV market is growing. California is the biggest market for electric vehicles in the US and by a wide margin.