Over at Earth2Tech, they have compiled a list of some of the reasons why plug-in vehicles will have a limited impact on the market in the short to medium term. Most of the reasons are well known like the high cost of batteries, lack of a place to plug in for urban apartment dwellers and limited availability unless you live in California. But there are other items like increased interest in car sharing that make the need to own an EV less urgent.
On the positive side, Jim Motavalli list five reasons why your next car will have plug over Mother Nature News. Motavalli is clearly more optimistic about the build-out of public charging networks and a smart grid that can manage when vehicles are charged to prevent overloads. While new EVs certainly don't have golf-cart performance, it remains to be seen how cars other than the ER-EV Chevy Volt are accepted by the mass market when they get a feel for the range limits.
[Sources: MotherNatureNews, Earth2Tech]