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Fairly sure a diesel electric train is driven only by electric motors, because of reliability issues with a mechanical transmission and that much power and load.
My understanding is a hybrid can apply power from two different sources, and recover energy normally lost as friction in braking.
Most everything else is not specifically a hybrid.
Something not included in a hybrid description, that should be included, is the ability to pulse and glide the IC (or other primary fuel consuming power source) engine while maintaining a constant vehicle speed. This can be done with capacitive, repetative, non degrading, but highly efficient short term energy storage.
regards
Mech
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