I can understand wanting to cut down on traffic noise, but it should have 
seemed obvious; just give it a car sound and be done with it.





On Sat, 28 Aug 2010, Ray Boyce wrote:

> ONE of the world's quietest cars will use a fake engine noise to help save
> lives.
>
> Toyota has fitted its petrol-electric Prius, the world's best-selling
> hybrid, with a speaker that emits an artificial sound to help warn
> pedestrians of its approach.
>
> General Motors, Nissan and Lotus are among other car makers set to follow
> with similar pedestrian-alert systems as the motor industry responds to
> criticism that hybrids such as the Prius endanger lives, particularly those
> of the blind.
>
> Some safety groups have called hybrids silent killers, and research has
> shown hybrids are more likely to be involved in low-speed accidents with
> pedestrians because of their ability to run in virtual silence on battery
> power alone with the petrol engine switched off.
>
> Toyota's Approaching Vehicle Audible System device is mounted inside the
> Prius's front bumper and makes an exaggerated, synthesised sound of an
> electric motor up to speeds of about 25 km/h. The company says the system,
> which costs about $170 in Japan, is under consideration for Australia.
>
> Such warning tones are expected to become mandatory for hybrids and electric
> vehicles in the United States.
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
>

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