Jan 13, 2020 · Daimler Trucks. In 2018, German automaker Daimler, the largest truck maker in the world, announced its all-electric 18-wheeler: the Freightliner eCascadia.. The big rig has a 250-mile range and was designed for regional transportation and port service. Daimler’s other all-electric model, the Freightliner eM2 106, has a 230-mile range and is intended for more local