Trump just mentioned Musk during his speech. He said: 'I'm so lucky to be on your side.' He said he personally bought a Tesla to help Musk promote it. Asked Musk if he properly thanked him. Musk: 'I spent billions of dollars helping you run for president, just to hear you say this??????' Also, the U.S. government canceled the electric vehicle subsidies this year, costing Musk billions of dollars.