One hundred years ago electric cars were the most popular automobiles in the world. In the late nineteenth century and at the start of the twentieth century, they outsold every other type of car. And yet, within a couple of decades of the start of the twentieth century, the electric car had vanished. Thousands of battery-powered cars disappeared from the streets, replaced by the internal combustion engine, and their place in the history of the automobile was quietly erased. A century later, electric cars are making a comeback. Fears over pollution and global warming have forced manufacturers...