In the 1950s, the Chicagoan, developed by Triplex Industries, emerged as a pioneering American sports car featuring a lightweight fiberglass body. Debuting at the 1954 Chicago Auto Show, this nimble roadster showcased a modern design and offered versatile engine options, including both six-cylinder and V-8 engines. Initially sold as both a kit and a completed vehicle, the Chicagoan's innovative use of fiberglass and customizable performance made it a standout despite its limited production. Its legacy endures as an early example of American sports car ingenuity and design.