Explained: How Elon Musk Can Help Donald Trump Win US Elections

If Musk wanted to help Trump more directly, he could hand over limitless cash anonymously, according US election laws.

Elon Musk, one of the world's richest people, says he won't directly back Joe Biden or Donald Trump in the US election -- but one look at his X feed makes clear his heart is with the Republican.

Trump, meanwhile, needs cash -- burdened with millions of dollars in legal troubles, he is also gearing up to fight what will be the most expensive election in US history.

So could Musk ride to Trump's rescue?