Quote:
Originally Posted by NeilBlanchard
...but using just one energy source doesn't exclude it from being a hybrid.
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What makes it a hybrid is that some of the energy produced by the engine is either stored directly (before going to the wheels) or recaptured from regenerative braking, and used to drive the wheels at a later time.
So you see the fundamental difference between that and e.g. a diesel electric or hydraulic drive (or even mechanical transmission), where the energy may jump through various hoops on its way from engine to wheels, but at any instant there's a 1:1 (minus friction) relationship between what's produced and what's driving the wheels?