Streetcars
https://news.google.com/newspapers?id=3GVcAAAAIBAJ&sjid=vVYNAAAAIBAJ&pg=796%2C1140915 (https://news.google.com/newspapers?id=3GVcAAAAIBAJ&sjid=vVYNAAAAIBAJ&pg=796%2C1140915)
It's funny, San Franciso still uses buses that are both diesel AND electric... wherever there
are still overhead lines, the buses draw power from them and the diesel engines shut down.