BOSTON & HOUSTON–(BUSINESS WIRE)–Phillips 66 (NYSE: PSX), an energy manufacturing and logistics company, and Square Robot, Inc. are advancing into the unmanned robotics inspection market through the joint development of an autonomous robot that would have the capability to inspect petroleum product storage tank floors while product remains in the tank. The untethered robot is being designed and will be certified for use in a wide range of petroleum products. The robot is expected to enter service in mid-2018.