General Motors says that it’s learned a lot since the Chevy Voltconcept was introduced a few years back. Paramount among these new revelations is that not all green vehicles are created equally, and not all customers looking for an eco-friendly ride really want the same thing. Some may want a full-fledged automobile with all the trimmings that just happens to get great fuel mileage while some more hardcore greenies may be willing to give up the finer things in life in exchange for the ultimate in efficiency. (more…)