UPS (NYSE:UPS) announced that it has successfully tested a drone that launches from the top of a UPS® package car, autonomously delivers a package to a home and then returns to the vehicle while the delivery driver continues along the route to make a separate delivery. UPS works with truck-launched drone-maker Workhorse Group in latest test   Test demonstrates potential efficiencies drones can provide on rural delivery routes Unlike previous drone tests, UPS/Workhorse test incorporates drone…