excess vehicle
(9) Definitions In this subsection: (A) Component head The term “component head” means the head of any component of the Department with a vehicle fleet. (B) Excess vehicle The term “excess vehicle” means any vehicle that is not essential to support mission requirements of a component. (C) Optimal fleet size The term “optimal fleet size” means, with respect to a particular component, the appropriate number of vehicles to support mission requirements of such component. (D) Vehicle fleet The term “vehicle fleet” means all owned, commercially leased, or Government-leased vehicles of the Department or of a component of the Department, as the case may be, including vehicles used for law enforcement and other purposes.