Suppose you had a car with the performance of a Prius, but that the engine/generator/fuel tank was an easily removeable module, so that an auxiliary battery pack would sit in the module slot when the engine module was not in there.
For normal short haul trips you would go all electric. For long trips you would swap out the aux/bat for the eng/gen/f-t. Aside from some engineering challenges and the inconvenience of making the swap, there are numerous advantages to this arrangement. Jed, I'm sure you can elaborate on those advantages more expertly than I. I would like to hear your thoughts on the matter. Jeff
