There are a number of hurdles to overcome before we're all parking electric cars
in our driveways and garages. We often tend to focus in on the vehicle itself, as there is plenty of work to be done on that front, not the least of which is creating suitable batteries. Remember, though, that an entire infrastructure already exists for gasoline- and diesel-powered vehicles that will need to be replaced if we're all driving with electrons. Early EV adopters may get specialized systems installed in their homes to charge their new electric toys, but not every manufacturer will be offering the same thing. So, standards will need to be created so that any EV will work with any EV charger.
Aren't we forgetting something, though? What goes between the charger and the chargee? That's right, a cable with plugs on each end. The Society of Automotive Engineers (SAE) is expected to release a new set of standards that plug-makers will need to adhere to so that their prospective units are, as Popular Mechanics
points out, sleek, safe and smart.
[Source: Popular Mechanics