The Daily Item, Sunbury, PA

News

January 10, 2013

Transportation chief wants noiser electric cars

(Continued)

The sound of rubber meeting the road generally can be heard when a vehicle is moving above 18 mph, but federal research found that battery-powered cars were less likely to be heard at lower speeds. For example, hybrid electric vehicles were twice as likely to be in a pedestrian crash when the vehicle was backing out.

After hearing from pedestrian advocates, particularly those who seek to protect the interests of the blind, Congress ordered NHTSA to come up with guidelines.

The federal agency said it would leave it to auto manufacturers to figure out how to make the vehicles more noisy, but it said the noise must be loud enough to be heard amid a wide range of street noises and other background sounds. Vehicles of the same make and model would have to make the same sound or set of sounds, and those sounds would need to meet certain minimum requirements.

"Our proposal would allow manufacturers the flexibility to design different sounds for different makes and models while still providing an opportunity for pedestrians, bicyclists and the visually impaired to detect and recognize a vehicle and make a decision about whether it is safe to cross the street," said NHTSA Administrator David Strickland.

Statistics on national traffic fatalities take several months to compile after the end of each year, but preliminary data on the first nine months of 2012 indicate that deaths rose sharply after six years of steady decline.

The 7.1 percent increase was the biggest jump during the January-through-September time span since 1975, when federal officials began compiling traffic-death data. The increase, however, was in comparison to deaths in 2011, when they reached an all-time low.

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