 In the 1930s, the company published a free newsletter called "Two Bells" which was distributed on its streetcars.Two Bells was carried on being distributed into the 1960s on the buses of a successor Atlanta Transit Company (ATC).From 1937 until 1950, Georgia Power also operated trolleybuses in Atlanta, and in 1950 its network of 31 electric bus routes was the largest trolley bus system in the United States.