Photo collage featuring Elon Musk, Donald Trump, and Tesla symbols and logos

Since Elon Musk announced his support of Donald Trump — a politician known for palling around with oil executives and denying the climate crisis — the world has been scratching its head.

For all his personal grievances over the "woke mind virus," Musk is still the CEO of Tesla and an electric-vehicle pioneer. On its face, a second Trump presidency would be bad for companies trying to move the country away from fossil fuels. But on a Tuesday call with Tesla's investors, Musk's reasons for his support became crystal clear.