The Tesla Semi is a battery electric semi-trailer truck built by Tesla, Inc. since 2022. The truck is powered by three motors, has approximately three times the power of a typical diesel semi truck, and can operate at an energy use of less than two kilowatt-hours per mile (1.2 kW⋅h/km). The Semi has two models: one is rated for 325 miles (520 km), the other for 500 miles (800 km). It can haul 45,000 lb loads.