30 ILCS 500/45-60

(30 ILCS 500/45-60) Sec. 45-60. Vehicles powered by agricultural commodity-based fuel. In awarding contracts requiring the procurement of vehicles, preference may be given to an otherwise qualified bidder or offeror who will fulfill the contract through the use of vehicles powered by ethanol produced from Illinois corn or biodiesel fuels produced from Illinois soybeans. (Source: P.A. 90-572, eff. date - See Sec. 99-5.)