GM Working With the Blind to Give Electric Cars a Little NoiseBy Woodyard, Chris; USA Today Online,
Publication Date: November 24, 2009
Article reports on efforts to mandate that electric cars make enough noise to warn visually impaired pedestrians of their presence. A recent attempt to regulate sound emission of these new vehicles, the Pedestrian Safety Enhancement Act, was introduced in Congress during 2009. General Motors (GM), in collaboration with the National Federation of the Blind (NFB), is working on technology that warns pedestrians when an otherwise near-silent electric or hybrid car is approaching. One solution suggested by the NFB is equipping electric cars with a forward-directed sound device that operates continuously while the car is in motion. While GM has installed a driver-activated warning system that emits a short audible horn pulse in its Chevrolet Volt, other auto makers reportedly were less willing to add noisemakers to their electric or hybrid vehicles, stating that the quiet of their cars is one of their selling points.
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Link to text: http://www.usatoday.com/money/autos/2009-11-24-gm-volt-electric-cars_N.htm