And while electric cars get all the hype, a game-changing solution to getting around without warming the planet has flourished right under our noses. Electric cars are important, too, but they're expensive and far off for a lot of drivers, MacArthur said. The most popular electric vehicles in the US don't have a Tesla logoWhile electric cars get all the attention, e-bikes have for years been the best-selling electric vehicles in the US. Last year, Americans bought just over 800,000 electric cars, according to Kelley Blue Book, a record. Since e-bikes are much cheaper than electric cars, "you can get them into the hands of consumers faster," she said.

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