The Cost Of A Flat Tire On A Semi-Truck As of 2022, 2.9 million semi-trucks were registered in the U.S., traveling across the country transporting everything from food to medicines and raw materials.

Tesla unveiled its Semi truck back in 2017, but they're finally hitting the roads now -- with support for Tesla's new V4 Supercharger cabinet, offering up to 1.2MW of power for the Semi truck.

Semi-trucks — and here's what "semi" means on a semi-truck — are wide, averaging 8.5 feet, and can reach 70 to 80 feet long.