High Quality Content by WIKIPEDIA articles! The U.S. state of Maryland first required its residents to register their vehicles and display license plates in 1910.Maryland offers a large number of extra-cost plates promoting organizations. Each type uses a two- or three-letter prefix or suffix. Organizational plates may be displayed on passenger cars, multi-purpose vehicles, and trucks weighing 10,000 pounds and less, and some types are also available for use on motorcycles. On plates displaying a logo at left, the prefix or suffix is displayed vertically, while on plates that do not display a logo, the prefix is displayed horizontally. Logo plates have a $25 annual fee, while non-logo plates have a $15 annual fee.