US presidential elections 2024: Tesla and SpaceX CEO Elon Musk has thrown his weight behind Republican nominee Donald Trump who is pitted against Kamala Harris in US presidential elections 2024. Earlier this month, Elon Musk said one registered voter from the state of Pennsylvania would be selected to win $1 million every day until polling day on November 5. Musk had first openly endorsed Trump after he was shot at during a campaign rally in Pennsylvania.