COCO GAUFF IS at a crossroads. She’s sitting in the passenger seat of her first car while her dad, Corey, studies the computer in its dash. Radio off. Windows up. Air conditioning on.

“This was my birthday present,” Coco, who turned 18 in March, says of the black Audi e-tron she’s never driven. “Usually, I hook my phone up in the car, but my dad uses the regular radio, like satellite radio.” Read More