Best known as a billionaire owner of X, X.AI, SpaceX, Dogecoin, and controversial comments, Elon Musk's main wealth is from Tesla.

Why does my friend have a tollway sticker and not me? Does it go inside or outside the windshield? What about rental cars?

The agency's new campaign comes as part of a USDOT-led partnership with agencies across the country that coincides with ...