UPS is doubling down on electric delivery trucks by developing its own. The delivery giant announced Tuesday that it's partnering with Los Angeles-based startup Thor Trucks to develop an electric medium-duty delivery truck. The truck is expected to be deployed later this year, UPS said. UPS is doubling down on electric delivery trucks by developing its own. The company said it's partnering with LA-based startup Thor Trucks to develop electric medium-duty delivery trucks The Thor truck will have a driving range of about 100 miles, with lightweight batteries designed and built by Thor.