Podknife - Electric Cars May Need Noisemakers by 60-Second Earth

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Electric Cars May Need Noisemakers

Podcast |: 60-Second Earth
Publisher |: Scientific American
Media Type |: audio
Podknife tags |: Natural Sciences,; Science & Medicine,; Society & Culture,; Technology
Categories Via RSS |: Science & Medicine,; Society & Culture,; Technology
Publication Date |: Jul 11, 2011
Episode Duration |: 00:01:16

Whisper-quiet electric and hybrid cars may need an artificial sound boost to let pedestrians know they're there. David Biello reports

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