The department in consultation with the agencies operating maintenance facilities shall study the cost-effectiveness of such facilities versus commercial alternatives and shall develop a plan for maximally cost-effective vehicle maintenance. The department shall promulgate rules and regulations governing vehicle maintenance to effectuate the plan.

The State Vehicle Maintenance program shall include:

(a) central purchasing of supplies and parts;

(b) an effective inventory control system;

(c) a uniform work order and record-keeping system assigning actual maintenance cost to each vehicle; and

(d) preventive maintenance programs for all types of vehicles.

All motor fuels shall be purchased from state facilities except in cases where such purchase is impossible or not cost beneficial to the State.

All fuels, lubricants, parts, and maintenance costs including those purchased from commercial vendors shall be charged to a state credit card bearing the license plate number of the vehicle serviced and the bill shall include the mileage on the odometer of the vehicle at the time of service.