If I were trying to encourage people to drive electric I'd not mention any altruistic reasons, because people are extremely unlikely to be at all altruistic in their vehicle purchases.
Quiet
Smooth
Responsive
Good handling (due to low centre of gravity, unless just a shove-battery-in-the-regular-car conversion).
Far fewer fill-ups (for those in locations where petrol stations are busy, inconvenient or just particularly noxious).
(Theoretically ) need less maintenance (but some have more problems than others).
Biting the hand that feeds IT
