Uh, electric train cars are all but self propelled, and could carry their own electricity if so desired. Trollies and street cars are individually powered. Slip cars only made sense during the age of steam power, when…
Uh, electric train cars are all but self propelled, and could carry their own electricity if so desired. Trollies and street cars are individually powered. Slip cars only made sense during the age of steam power, when…