[2] Data on costs of acquisition, utilization, maintenance and related costs are not centralized so that detailed costs cannot be easily identified.

[3] Other vehicles includes tractors and other heavy machinery vehicles.

[4] Interview with Thomas Thompson, Fleet Manager, U.S. General Services Administration; March 25, 1991.

[5] Interview with Steve Dwier, Fleet Manager, State of Oklahoma Central Fleet Management; April 8, 1991.

[6] Interview with Casey Randall, Fleet Manager, General Services Department, State of California; April 8, 1991.