Electric vehicle sales are growing around the world, and EV maker Tesla is the most valuable automobile company in the world. So why can’t you buy a Tesla in Alabama? First, a few numbers.

AUBURN — Gathered next to a handful of Tesla charging stations in the parking lot of the Auburn Mall, a group of protesters made it clear to shoppers where they stand on Tesla CEO Elon Musk.

Peaceful Tesla protests have taken place across the country—but some dealerships have also been hit with acts of vandalism, ...