*Source: Tech-Ex (
http://technologyexpert.blogspot.com...-hybrid.html)*
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This story first appeared on NPR (
http://www.npr.org/templates/story/s...toryId=7555520) way back in February, when they compared the noise levels of a Prius with a standard car --- and you could actually hear the difference.
It's reached the mainstream media now, and although NPR ran a test with one person, the U.S. National Federation of the Blind's Committee on Automotive and Pedestrian Safety ran a larger, though admittedly just as unscientific one.
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