Jun 02, 2015 · Finally, there are electric cars, or EVs, like the Nissan Leaf, the BMW i3, the Ford Focus Electric, and the Tesla Model S. These are simple—there’s a big battery, which you charge, and it powers the electric motor. No liquid involved. Now, in theory, EVs make a lot of sense. Forgetting the rest of the car for a second, let’s look at some