A lot of people like the idea of buying an electric vehicle, but they aren't sure about the long-term cost of ownership. After all, electric vehicles tend to be more expensive than traditional gasoline-powered cars, so it stands to reason that they will cost their owners more money in the long run, right? Well, it turns out that the opposite may be true. When you factor in the cost of ownership, electric vehicles actually come out on top over comparable gasoline-powered vehicles.