605 ILCS 5/4-218

The Department shall establish a pilot program to evaluate the use of calcium magnesium acetate made from corn for the purpose of clearing roadways of snow and ice. Such pilot program shall be implemented by the Department as suitable quantities of calcium magnesium acetate become available and shall include any one of the following counties: Champaign, Douglas, Grundy, Iroquois, Kankakee, LaSalle, Vermilion, or Will. If the pilot program is successful, the Department shall endeavor to expand its use of calcium magnesium acetate made from corn for road clearing throughout the State.