How the electric car became the future of transportation

The potential of electric cars is greater now than ever before.

Traditional automakers including General Motors, Volkswagen, Daimler AG, and others are all investing heavily in electric vehicles. And Tesla, of course, has built an entire business on battery-powered cars.

But electric automobiles are nothing new. They actually have a rich history in the US and, at one point, were even the dominant type of car.

Here's a look at how battery-powered cars evolved over time.

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