There are plenty of climate and air quality reasons to buy an electric vehicle (EV), but are they cheaper to drive? Going state by state, they broke down the lifetime fuel costs of battery-powered electric vehicles versus internal combustion engine cars. Electric car aficionados in Washington State can make the best case for the big purchase. Where, when, and how you choose to charge your electric car generates wide swings in charging costs. In addition to helping boost air quality, electric vehicles can also reduce the electric bills for everyone.