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MNN.COM > MNN BLOGGERS > Jim Motavalli's Blog

Jim Motavalli

Electric cars are quiet. Maybe too quiet.

Automakers are devising unique sounds to let the blind and other pedestrians know that EVs are approaching. But should you be able to customize your own 'cartones'?
Wed, Oct 14 2009 at 3:41 PM EST

SOMETHING HEAVY THIS WAY COMES: The Fisker Karma has speakers in the bumpers for safety sounds. (Photo: Harry Nl/Flickr)

 

“When a piece of heavy equipment backs up, it goes ‘beep, beep, beep,’ and everybody knows what it means.” Thus speaks Nancy Gioia, Ford’s director of global electrification, about a growing controversy over whether electric vehicles (EVs) should emit sounds to let the blind and other pedestrians know they’re on the scene. She thinks those sounds should be standardized, so you’ll think “something heavy this way comes” when you hear it.
 
Some car companies much prefer the idea of creating their own sound, and samples emulating the Blade Runner cars and the Starship Enterprise have been proposed.
 
I wrote a New York Times piece on this that appeared today, and as I write it’s the 13th most emailed story at the paper. I guess people really get caught up in the possibilities of this. If car owners can just get control over the process and customize their sounds, the “cartones” industry will be born, and soon people will be spending tens of millions of dollars on them.
 
There are an amazing number of possible pitfalls. Can you imagine using Rick James’ Superfreak as your cartone, and then waking up your neighbor when you get home from a party at 3 a.m.?
 
This is a serious subject, though. Plug-in hybrid cars and battery EVs are super-quiet, and a study at the University of California, Riverside concludes that people listening to recordings on headphones can hear a regular gas car coming from 28 feet away, but a hybrid in battery mode only when it’s seven feet away. Yikes!
 
The National Highway Traffic Safety Administration and the Society of Automotive Engineers are working on standards, and the Pedestrian Safety Enhancement Act, introduced in both Houses of Congress this year, would require a federal safety standard to protect pedestrians from ultra-quiet cars. Jenny Rosenberg, a spokesman for Congressman Edolphus Towns (D-NY), said the bill has 140 co-sponsors in the House.
 
Another key question: Should the driver have control of the sound (sort of like a horn, only quieter), should it be on all the time, or should it shut off at, say, 20 miles per hour? Versions have been proposed that take all these approaches.
 
I think that, ultimately, there will be safety-related sounds from EVs and plug-in hybrids. My guess is that they will eventually be standardized so your mind will automatically register “electric car” when you hear it. And that’s probably a good thing to reduce the mayhem on the roads.
 
We want your opinion: Give us your ideas of what the sound should be, and we'll deliver the 10 best reader ideas to the car companies' marketing departments. (We've got connections.) Just post your suggestion in the comments section below.

 

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Comments(27)

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Posted By Michael lenis - Wed, Nov 04 2009 at 2:55 AM EST

no sound

We are entering a new era of clean transportation, one of the BENEFITS is lowered noise congestion in urban areas.Why on earth should we be adding noise to these vehicles. Its ultimatly up to the individual for his or her own safety. Remember what your mother taught you "look both ways before you cross the street". Come on people!!!!

  • reply
Posted By wrtmania - Wed, Oct 28 2009 at 2:32 PM EST

Vroom, vroom

I like the vroomtones idea! I also like the idea that as speeds increase the (assumed) need for extra noise decreases. I'm also hoping that the ambient noise level would be less (and directed forward?!?) than that of current internal explosion vehicles. Failing the above, I'm votin' for the sound of the Jetson's 'cars'....

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Posted By Ivy - Tue, Oct 20 2009 at 9:23 PM EST

?????

Why a good ideas like ELECTRICAL CAR has to come in company of an idea that silly like this sound of insanity??? buuu that sounds gonna get us even more distracted......

Cheers
www.greentimes.com.au

  • reply
Posted By yogacraig - Sat, Oct 17 2009 at 6:43 PM EST

OM

The sound of one car moving should be the sound of one hand clapping. I know its radical, maybe people could just pay attention.

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Posted By Kenneth Sherrill - Sat, Oct 17 2009 at 9:19 AM EST

Car Sound

I think they should all sound like the cars in the Jetsons, i have always loved how those sounded... kinda soothing...

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Posted By Anonymous - Sat, Oct 17 2009 at 8:31 AM EST

SERIOUSLY?

Its called a horn...people step out in front of buses because they aren't paying attention. People should look both ways before crossing and drivers should be paying attention to blow their horn or maneuver. This is the stupidest idea I have ever heard. Why is the world full of retards?

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Posted By Omar Stoltzfus - Fri, Oct 16 2009 at 6:44 PM EST

Quiet down already

Here in Arizona we've taken perfectly good freeways and paved them with rubberized asphalt. Why? To reduce traffic noise. Most of the noise coming from cars is due to tire noise. Pedestrians almost always have the right of way. Perhaps drivers should just hangup and drive!

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Posted By BJL - Fri, Oct 16 2009 at 5:39 PM EST

Remember...

Remember playing cards in a bicycle wheel? It won't disturb the neighbors if you come home late, but it would cause a pedestrian to take note.

  • reply
Posted By Monica - Fri, Oct 16 2009 at 3:53 PM EST

What's wrong with quiet?

I do not agree that cars need to make noise to keep pedestrians safe. Perhaps putting a sensor on key intersections to signal oncoming traffic would work for those who are visually impaired.

  • reply
Posted By Vintagesquirrel - Fri, Oct 16 2009 at 2:30 PM EST

Swish!

I suggest a soft "swishing" sound, similar to the sound of the wind rustling through trees. Also, the sound should start real soft and get louder as the car accelerates.

  • reply
Posted By MNN User - Sat, Oct 17 2009 at 1:57 AM EST

Agree

Though I would think more along the lines of the wind an object creates as it is moving through the air. Like when you ride your bicycle and the wind rushes past your ears as you go along. I am so tuned into that noise being associated with any car that I am always looking over my shoulder for cars when I ride my bicycle, and that is the noise I listen for when I walk. I also listen for tire noise, but that depends on the ground surface and the weather conditions, unlike the artificial wind.... More

  • reply
Posted By Jeff McGuiness - Thu, Oct 15 2009 at 7:40 PM EST

Vroomtones

I like the sound of Vroomtones. Phones Ring and Cars Vroom. When I say Cartones I feel like I am saying cartoons.
My wife didnt know what the heck I was talking about. She then said, "Oh Vroomtones". I said yeah thats pretty cool huh? She said "If mine can sound like a horse trotting that would be cool"
I agree. As long as they turn off after 12mph or around there and there is a mandated level of sound. I think its fine. I live in the city and no one regulates the harleys that shake.... More

  • reply
Posted By Anonymous - Sat, Oct 17 2009 at 12:36 AM EST

NEW CAR NOISE

DESIGN A CONOSTOGA WAGON WITH 4 OXEN HORSEPOWER [THEY MAKE THEIR OWN NOISE]

  • reply
Posted By Barbara Swail - Thu, Oct 15 2009 at 4:20 PM EST

Europe has it figured out

Spend a day in Munich or any other large European city and listen to the soft pleasant swishing sound the cars make. DO NOT LET INDIVIDUALS CUSTOMIZE THEIR OWN CAR SOUNDS. That way lies madness and road rage.

  • reply
Posted By Melissa - Thu, Oct 15 2009 at 2:19 PM EST

BUZZZZZ

Enter your comments here A Giant Bumble Bee sound that is somewhat "mechanical". The sound has to change pitch because some folks cannot hear various ranges. We are conditioned to be cautious around a huge bee.

  • reply
Posted By Green Bean - Thu, Oct 15 2009 at 1:56 PM EST

I don't know

I really can't come up with anything that would not just get on my last nerve over time...besides the normal sounds of an engine....maybe just make it buzz a little louder!

  • reply
Posted By Ron Koenig - Thu, Oct 15 2009 at 1:39 PM EST

Sounds

Any kind of white sound would be good. If the user could select the sound, that would be nifty. There should be a limit on how loud the sound can be, and no messages (said or sung) should be allowed.

  • reply
Posted By Dave Crowlie - Thu, Oct 15 2009 at 11:38 AM EST

Watching the River Flow

First choice: the sound of flowing water. Second: cheapest would be to amplify the whirring noise of the electric motor.

  • reply
Posted By CoCreatr - Thu, Oct 15 2009 at 10:34 AM EST

Startled by ultraquiet vehicles?

How to protect pedestrians (especially those with headphones blaring) from - gasp, pant - ultraquiet bicycles? Or a Segway approaching? Easy: You don't. Less easy: just unplug and hear the "pling!" Or shout.

Approaching in a car? Gas, electric, hybrid, warp drive, no matter what: be ready to brake and - honk for danger.

  • reply
Posted By Denise Lawrence - Thu, Oct 15 2009 at 12:46 AM EST

Base Booms make cars noisy enough

Enter your comments hereA Lot of the cars here seem to be making TONS of noise as it is from their basses booming music and shaking the windows of my house. I'm sure there is some pleasant sound that could be emitted.......

  • reply
Posted By Bob Wilson - Wed, Oct 14 2009 at 7:24 PM EST

Sound of insanity

We are already testing sound emitting cars with today's gas-only vehicles. The experimental results are 4,500 pedestrians die already and repeating the sound experiment with hybrids and expecting a different result is the very definition of insanity.

  • reply
Posted By GeenGirl - Wed, Oct 14 2009 at 7:38 PM EST

I hear you (ha ha)

You're right that regular old cars make a whole bunch of sound and yet thousands of people are hit by them a year. But I do think there needs to be some warning that they're coming. I used to live in Portland, OR and our light rail was great...but they had trouble for awhile with people getting hit by the train simply because they didn't know it was coming. I think they ended up adding some sort of sound to it....though I'm not sure what.

  • reply
Posted By Anonymous - Wed, Oct 14 2009 at 7:15 PM EST

What is Ms. Gioia upset about?

The Enterprise is a pretty heavy object. How many people would ignore the sound of a continent-sized starship hurtling toward them?

  • reply
Posted By Momof2 - Wed, Oct 14 2009 at 7:33 PM EST

I get what she means.....

but a 2000 pound song bird might get your attention.

  • reply
Posted By Pamela Drake - Wed, Oct 14 2009 at 6:46 PM EST

I'd go with sounds of nature...

...perhaps the top bird per state (based on how many cars are sold in that state....regions could compete.)

  • reply
Posted By Max Davies - Wed, Oct 14 2009 at 6:48 PM EST

I like the bird idea

it'd give birds a bit more power in the world....ignore the sound of a bluebird or cardinal and you'll be flattened.

  • reply
Posted By Phil Signet - Wed, Oct 14 2009 at 6:38 PM EST

How about.....

...the sound of affluence? Because that's about the only people who can afford these cars.

  • reply

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New York Times contributor blogs about green transportation.

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