It is registered in Europe as a heavy quadricycle (category L7). It was noted for having a complex quadricycle landing gear. Raymer classifies the B-52 gear as quadricycle. The Motor Scout was convertible to a two-seated quadricycle. It offers riverfront access for walking, cycling, roller-blading, quadricycle, pedalo and Segway rentals. The Karo was a quadricycle with electric drive. By 1899, Percy Riley moved from producing motorcycles to his first prototype four-wheeled quadricycle. The Quadricycle was driven by a chain. After various test drives, Ford brainstormed ways to improve the Quadricycle. In 1896, Henry Ford designed his first car, the "Quadricycle" to run on pure ethanol. The Ford Quadricycle was the first vehicle developed by Henry Ford. The European Union introduced the quadricycle category in 1992. An electric quadricycle badged as a Hummer was produced in the UK. On 22 May 2013, The Central Government legally classified it as a quadricycle. Today the original Quadricycle resides at The Henry Ford Museum in Dearborn, Michigan.