High Quality Content by WIKIPEDIA articles! The Monroney sticker or window sticker is a label required in the United States to be displayed in all new automobiles and includes the listing of certain official information about the car. Since the mid-seventies the U.S. Environmental Protection Agency provides fuel economy metrics in the label to help consumers choose more fuel efficient vehicles. The window sticker was named after Almer Stillwell "Mike" Monroney, United States Senator from Oklahoma. Monroney sponsored the Automobile Information Disclosure Act of 1958, which mandated disclosure of information on new automobiles.