(625 ILCS 5/1-140.15)
    Sec. 1-140.15. Low-speed gas bicycle. A 2-wheeled or 3-wheeled device with fully operable pedals and a gasoline motor of less than one horsepower or 15 cubic centimeter displacement that is operated at speeds of less than 20 miles per hour.
(Source: P.A. 103-706, eff. 1-1-25.)