U.S. auto agency will not allow EV owners to pick alert sounds - Reuters.com

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Electric cars sit charging in a parking garage at the University of California, Irvine January 26, 2015. REUTERS/Lucy Nicholson

WASHINGTON, July 12 (Reuters) - U.S. auto safety regulators on Tuesday scrapped a 2019 proposal that would have allowed automakers to offer a variety of sound choices for electric vehicles and other "quiet cars."

Electric vehicles are often harder to hear at lower speeds than gasoline-powered engines. Under rules mandated by Congress and finalized by NHTSA, automakers must add sounds to hybrid and electric vehicles when traveling at speeds of up to 18.6 miles per hour (30 km per hour) to help prevent injuries among pedestrians, cyclists and the blind.

NHTSA in 2019 proposed allowing automakers to install a number of driver-selectable pedestrian alert sounds in "quiet cars."

The agency said Tuesday the proposal "is not being adopted because of a lack of supporting data. ... Removing this restriction would allow manufacturers to make more obscure sounds that only appeal to a small minority of (hybrid electric) owners."

At higher speeds, tire noise, wind resistance and other factors eliminate the need for a separate alert sound, NHTSA says.

Tesla in February recalled 578,607 U.S. vehicles because pedestrians may not be able to hear required warning sounds of an approaching car due to loud music or other sounds played by its "Boombox" feature.

Tesla said the "Boombox function" allows sounds to be played through an external speaker while the vehicle is in motion and might obscure required Pedestrian Warning System sounds.

NHTSA projected the alerts would prevent 2,400 injuries annually by 2020 and cost the auto industry about $40 million annually because automakers needed to add an external waterproof speaker to comply. The benefits of reduced injuries are estimated at $250 million to $320 million annually.

The agency estimates the odds of a hybrid vehicle being involved in a pedestrian crash are 19% higher than with a traditional gasoline-powered vehicle. Last year, the number of pedestrians killed jumped 13% to 7,342, the highest number since 1981. The number bicyclists killed rose 5% to 985, the highest number since at least 1975.

Reporting by David Shepardson; Editing by Richard Chang

Our Standards: The Thomson Reuters Trust Principles.

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