If the requirement includes the need for the vendor to provide operational maintenance such as fueling, lubrication, or other fluid changes or replenishment, the contracting officer shall include in the contract:
(1) a requirement for the use of fluids and lubricants containing the maximum available, amounts of recovered materials and alternative fuels whenever available; and
(2) a preference for retreaded tires meeting the Federal retread specifications, tires with the maximum recovered material content, or retreading services for the tires on the vehicle.
