It's the same problem with bikes.  Pedestrians step out of me quite 
often because they didn't hear me coming.  Except when I am on 
my winter rust bucket.

Mike Rewey

*************************************************
Date sent:              Thu, 7 Jul 2005 00:43:27 -0700 (PDT)
From:                   Brady Clark <[EMAIL PROTECTED]>
To:                     [email protected]
Subject:                [Bikies] are hybrid cars too quiet?
> 
> i was passed the other day on my bike during 
> daylight hours by a toyota prius, and i barely 
> noticed it.
> 
> cars with hybrid engines are a good thing when it 
> comes to reducing noise pollution, but i have to 
> wonder, is there such a thing as too quiet when it 
> comes to safety?
> 
> the question needs to be asked, when these cars 
> are more common on the roads, what will be the 
> safety impact on cyclists, pedestrians, those hard 
> of hearing, and cats and dogs?
> 
> and if it is deemed that they are too quiet, then 
> what should be done about it? mandatory external 
> noise limits? updated driver/cyclists/pedestrian 
> training? in-board bicycle detecting ray guns with 
> horns and flashing lights?
> 
> i guess for now, i'm just curious if anyone out 
> there is concerned about this.
> 
> below is some web-sleuthing i did in case you want 
> to know more about hybrids, decibels, and 
> engineering.
> 
> -brady
> 
> p.s. in case anyone is wondering why they have 
> never met me, it's because i live in olympia and 
> portland, or. i spent the first 16 non-motorized 
> years of my life in madison, so i subscribed to 
> find out what's going on there- hope you don't 
> mind me posting occasionally!
> 
> -------------------------------------------------
> 
> decibel measurements from a prius:
> 
> "Bottom line: the Prius is [perceptually] about 
> half as noisy as most other cars."
> 
> http://www.abouthearingloss.com/5259-Prius-noise-levels.html
> 
> -------------------------------------------------
> 
> fuel cell motorbikes: too quiet!
> 
> "Intelligent Energy, the company that built the 
> prototype, is looking at ways to produce an 
> artificial engine noise that will alert people to 
> its presence, making sure the machine is not 
> silent and deadly."
> 
> http://www.msnbc.msn.com/id/7206396/
> 
> -------------------------------------------------
> 
> designed to hurt pedestrians... less
> 
> "An impact absorber is fitted to the front bumper 
> to help minimise leg injuries in a pedestrian 
> accident. The placement of the windscreen wipers 
> has also been optimised to limit injuries to the 
> head and face areas in the event of a severe 
> pedestrian accident."
> 
> http://tinyurl.com/89z9x
> 
> -------------------------------------------------

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