Any vehicle can be termed a hybrid if it combines two or more sources of power. In fact, you may well have owned a hybrid vehicle at some point. For example, a moped (a motorized pedal bike) is a type of hybrid because it combines the power of a gasoline engine with the pedal power of its rider.

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You actually see hybrid vehicles everyday and don’t even know it! Most of the trains we see pulling freight are diesel-electric hybrids. They use their electrical motors to move when there aren’t heavy grades or heavy loads and then switch over to diesel when the going gets tough.”

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