Quote:
Originally Posted by NeilBlanchard
A diesel electric train locomotive does use two power sources: diesel engine(s) and electric motors. It is a serial/series hybrid because only one of those drives the wheels directly. Why would they do this, I wonder? Would a transmission be better; and if so, why don't they use one?
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No, it doesn't. A "diesel electric train locomotive" has ONE power source. Diesel. It cannot generate electricity without it, there is no storage mechanism. The electric motor is a robust torque converter, that is all it does.
The Volt can be plugged in for a second source of power. A Prius can be modified to accept a plug-in. A locomotive CANNOT.