The energy industry has turned to robots and drones to cut costs and improve safety in some of the world’s tougher working environments. Drones inspect gear high up on floating rigs. Robots crawl underwater to test subsea equipment for microscopic metal cracks. Remotely operated mini submarines can replace divers.The energy industry has turned to robots and drones to cut costs and improve safety in some of the world’s tougher working environments. Drones inspect gear high up on floating rigs. Robots crawl underwater to test subsea equipment for microscopic metal cracks. Remotely operated mini submarines can replace divers.