[Nfbk] FW: USA Today article: GM works to make some noise

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Subject: USA Today article: GM works to make some noise


GM works to make some noise

News Outlet: USA Today
November 25, 2009

By Chris Woodyard

General Motors will announce today that it's working with one of the largest
advocacy organizations for the vision-impaired to find ways for the
next-generation electric cars to make enough noise that pedestrians can hear
them coming.

GM says it's working with the National Federation of the Blind on technology
to make sure that near-silent electric cars and hybrids don't sneak up on
unsuspecting walkers or runners.

It's potentially a growing problem as the nation switches to battery-powered
cars as an alternative to high-priced gasoline. A bill that would direct the
Transportation Department to regulate a solution -- the Pedestrian Safety
Enhancement Act -- was introduced in Congress earlier this year.

One study already points to dangers. Walkers and bicyclists are being struck
at a greater rate by hybrid vehicles than by conventional cars, concluded
the National Highway Traffic Safety Administration in September.

"I've had probably 25 blind people in the country tell me they've almost
been hit by these cars," says NFB President Marc Maurer. Vehicles brushed up
against some or crushed their white canes, he says.

Maurer says he believes electric cars of the future will need to be equipped
with a forward-directed sound device that operates without interruption
while the car is in motion. All electric vehicles will have to make roughly
the same artificial noise, he says, so that blind people will be able to
distinguish them as moving vehicles.

Automakers balk at going that far for the moment. Toyota, the largest
producer of hybrid cars, says it is still studying the issue. So is Nissan,
which plans to introduce the all-electric Leaf next year.

GM already is equipping its new Chevrolet Volt extended-range electric car
with a driver-activated warning system. The car will emit a short audible
horn pulse about as loud as the ring of a telephone when the driver pulls
back on the turn-signal switch.

"We want to make sure it is something friendly and not startling," says
Volt's chief engineer, Andrew Farah. He says they already believed the sound
had to be "clearly automotive" in nature. And the collaboration with the
federation is aimed at seeing if something more is needed.

Other automakers aren't so sure. Tesla, which already has sold about 900
all-electric Roadsters, is reluctant to make noise.

"One of the top attributes that our customers bring up is that (the car) is
so quiet," says spokeswoman Rachel Konrad. The majority of the sound is not
from the engine. It's tire noise and wind resistance.

As a result, she says, Tesla is monitoring research and regulations around
the issue as it might affect its $109,000 two-seater, but probably won't add
a noisemaker unless there is a "compelling reason."

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