MKSGR:

It just occurred to me that Tesla will be screwed if the major trend will be plug-in hybrid. Very likely this will be the development, why would one buy fully electrical (if not cheaper) if one could have unlimited range with the assistance of a traditional engine on board?

The reason hybrid is a trend is the imminent demise of diesel as a government and consumer favourite, for non-commercial vehicles of course. It gives all those  diesel owners a similarly efficient, and today at least, more acceptable power source than diesel when they buy their next car.  Full electric has so far been a more committed customer who would consider hybrids still not green enough. 


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2011 Range Rover Sport S/C,  2009 Porsche 911S