What should an electric car sound like?

17 Фев 2014 | Author: | Комментарии к записи What should an electric car sound like? отключены
BAIC E150 EV Electric Cars

By Mark Vallet

Taking a Watch out for hybrids.

At low speeds, move primarily by means of without the exhaust rumble and whine that have for 100 signaled the approach of an internal-combustion The result? Bicyclists and pedestrians are twice as often by hybrids, the Highway Transportation Safety (NHTSA) says.

Of course, make up only a small of vehicles on the road, and the toll on from traditional cars is huge.

In 2009, the most year for which there is vehicles struck and killed pedestrians. An additional 50,000 or so are each year. A San Francisco expert estimates that the costs for a pedestrian injured by a car in city run about $80,000 per — well above the required car insurance liability in every state.

But the crunch is to get worse. As gasoline prices and federal mileage rules effect, dozens of silent models are on the way.

Peering into a future of hybrids and electric cars, has proposed rules that require electric vehicles and hybrid electric vehicles to emit sounds when at slow speeds. It did not, specify what kind of they should make.

they beep like a truck in reverse? Make a engine sound? Automakers been turning to Hollywood studios and Facebook to help their decisions.

Electric are ramping up

If you think overly electric cars are a problem for grandchildren to solve, think 2012 is expected to be a game-changer.

Toyota has put nearly 1 million of its hybrids on U.S. roads, all of driving for short distances on alone. Hybrid Ford are a favored taxicab in New York, and MKZ hybrid sells as well as its counterpart.

But pure EVs have making inroads as well.

The all-electric Nissan Leaf has the biggest plug-in seller in In the first seven months of the Nissan sold 4,806 Its main competitor, the Chevy (which carries a gas engine to its batteries), sold 2,870

Tesla has delivered 1,000 of its Roadster.

Ford promises an version of its Focus late year.

Toyota will a RAV-4 EV as well as a plug-in of its Prius.

Honda will a plug-in hybrid as well as a electric car.

Mitsubishi launch an EV in 2012.

Luxury BMW will lease 700 electric as a test project.

By some there will be more 100 electric vehicles competing for share in 2012, and the number of is predicted to grow dramatically in the decade. Accenture is forecasting 1.5 electric vehicles on the road by with 10 million possible by

Fighting over the noise

A study by NHTSA found in certain situations, HEVs twice as likely to be involved in a crash as traditional vehicles. In the Pedestrian Safety Enhancement Act was into law, requiring to issue federal standards for a safety sound system on cars. In July, NHTSA looking for input.

It’s to publish a final rule in

Advocacy groups like the Federation for the Blind have for changes to electric cars the 2009 report was released. people simply cannot safely and independently without vehicle sounds, says Chris Danielsen. We use the sound of to determine the speed and direction are moving as well as if they are or decelerating.

BAIC E150 EV Electric Cars

But a number of anti-noise groups have opposed the claiming that adding noise to an already noisy will not help anyone.


Their main argument in the fact that a comprehensive has yet to be done. The 2009 NHTSA sampled a very small of vehicles and the results were not Richard Tur, founder of argues, The statistical difference exists when EVs are backing up or a slow turn.

When straight, the difference between EVs and ICE disappears.

Mark Larsen of State University examined records, assuming that if and hybrids presented a real pedestrian deaths would risen since 2000, hybrids first hit the market. The showed pedestrian deaths had fallen over the observed

The sounds of silence

The big question now is sound an electric car should

The Chevrolet Volt, for example, a chirping sound whenever its indicator is activated. The Nissan makes a whirring sound forward and a chirp in reverse. recently posted four sounds to its Facebook page for feedback from the public.

The Pedestrian Safety Enhancement Act minimum sound standards, but not dictate exact sounds the car to make. A spokesperson for the NHTSA Design freedom is built the Pedestrian Safety Enhancement

While the legislation does manufacturers some leeway the safety sounds, it also that the driver cannot the sounds.

Which sounds automakers eventually use? to Danielsen, the National Federation for the believes that carmakers tend toward sounds have similar characteristics of combustion engines.

Accidents cars and pedestrians increase the of a lawsuit, largely because is a higher likelihood of injuries, Thomas M. Libbos, a Massachusetts injury lawyer. The lack of liability — state typically require drivers to or use caution around those on — often leads companies to deny a claim, ultimately leads to a lawsuit, says.

A lawsuit could present for someone with a low liability limit. State minimum chosen by those looking for the car insurance. average about According to attorney Chad of Anderson, Hemmat Levine in that amount will never cover the settlement when a pedestrian is involved in an with a car.

We are nearly talking about paramedics, care, Flight for Life and stays at hospitals, Hemmat

BAIC E150 EV Electric Cars
BAIC E150 EV Electric Cars
BAIC E150 EV Electric Cars
BAIC E150 EV Electric Cars

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