The Sound of Silence: A spokesperson for Fisker says the Karma, its electric sports car due out next year, will warn pedestrians by emitting a noise possibly “akin to a jet fighter.” Courtesy Fisker Automotive
By 2020, one in every five cars sold in the U.S. will be a hybrid electric vehicle. That’s nice for the planet, but bad for pedestrians who can’t hear the quiet vehicles’ approach. Some automakers will equip hybrids with artificial engine sounds, but some drivers say that less noise pollution isn’t such a bad thing. Here, a cheat sheet to the noisemaker debate.