Adi was a German automotive manufacturer founded in 1950 by Arthur Diebier in Berlin-Neukölln. The company initially focused on producing light three-wheeled goods vehicles shortly after World War II. In the same year, Adi expanded its offerings by introducing a passenger version of its vehicle. The Adi passenger model featured a 120cc single-cylinder engine positioned over the front wheel. It was designed with a bench seat that accommodated two…