With Chief Executive Elon Musk playing a prominent role in the Trump administration, many Tesla drivers are no longer happy about supporting the car brand.

This suggests that the reaction of consumers to Mr Musk’s antics are only one reason for falling sales. An updated Model Y, Tesla’s best-selling vehicle, has just gone on sale. In preparation Tesla ran down inventory of the old model, crimping supply. Customers have doubtless held off purchases until the new car is available.

Elon Musk spent the weekend with President Donald Trump at Mar-a-Lago, getting a round-trip ride on Air Force One. While Musk has spent an increasing amount of time with Trump, three of his companies are having a rough go.