Which One of the Following Statements on an Automated Guided

Which one of the following statements on an automated guided vehicle (AGV) is NOT true?

A) An AGV is a large, gas-driven truck that allows the operator to move materials efficiently between operations.
B) Some AGVs can now efficiently go anywhere as long as there is aisle space and a relatively smooth floor.
C) The AGV's ability to route around problems such as production bottlenecks and transportation blockages helps avoid expensive, unpredictable shutdowns.
D) AGVs give just-in-time delivery of parts, thus reducing stockpiles of expensive inventories throughout the plant.