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Electric vehicles need to emit sounds. Here`s how those are made. from Journalist's blog

Electric vehicles are a blank canvas. At least sonically.

Without engine noises and with fewer moving parts, battery-powered vehicles make about as much noise as your cellphone. It`s a much quieter experience than we`re used to, after years of vrooming, revving, and other clanging coming from under the hood. The nearly silent experience has prompted new regulations in the U.S. and Europe, requiring carmakers to build in warning noises to alert pedestrians to oncoming hybrid and all-electric vehicles. It also means car companies are experimenting with the sound experience in an entirely new way. Read more...

More about Electric Vehicles, Blind Community, Pedestrians, Tech, and Transportation

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