20 ILCS 2705/2705-575
Whenever the Department has deemed a vehicle shall be replaced, it shall notify the Division of Property Control of the Department of Central Management Services and the Division of Vehicles of the Department of Central Management Services for potential reallocation of the vehicle to another State agency through inter-agency transfer per standard fleet vehicle allocation procedures. If the vehicle is not re-allocated for use into the State fleet or agencies by the Division of Property Control or the Division of Vehicles of the Department of Central Management Services, the Department shall make the vehicle available to those units of local government that have previously requested the notification and provide them the opportunity to purchase the vehicle . Any proceeds from the sale of vehicles pursuant to this Section shall be deposited in the Road Fund. The term "vehicle" as used in this Section is defined to include passenger automobiles, light duty trucks, heavy duty trucks, and other self-propelled motorized equipment in excess of 25 horsepower and attachments.
20 ILCS 2705/2705-575