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Electric car owners to ‘choose’ engine sounds


Electric Cars

Electric car owners to ‘choose’ engine sounds

Image copyright EPA Image caption Porsche’s Taycan can generate louder sounds to warn pedestrians it is approaching Owners of electric cars should be able to choose the noise their vehicle makes to alert pedestrians, says a US road safety body.The National Highway Traffic Safety Administration (NHTSA) says car makers may give several sound choices to…

Electric car owners to ‘choose’ engine sounds

Porsche TaycanImage copyright
EPA

Image caption

Porsche’s Taycan can generate louder sounds to warn pedestrians it is approaching

Owners of electric cars should be able to choose the noise their vehicle makes to alert pedestrians, says a US road safety body.

The National Highway Traffic Safety Administration (NHTSA) says car makers may give several sound choices to owners of the “quiet cars”.

Vehicles must generate the noise when travelling at less than 30 kph (19mph).

The NHTSA is also asking the public how many types of sounds cars can make, and how loud they can be.

Sonic warning

The road safety regulator says electric cars are so quiet at low speeds that they pose a danger to “blind and sighted pedestrians, as well as bicyclists”.

Calls to ensure electric and hybrids were noisy enough to hear when moving at low speeds began in 2010, and rules to ensure vehicles complied were first drafted in 2016.

At higher speeds tyre noise and wind resistance are deemed to be loud enough to warn other road users or pedestrians.

Makers of battery-powered vehicles were initially given until 1 September 2019 to ensure their models complied with the regulations.

The deadline to make quiet cars and other vehicles noisier has now been extended to 2020.

Image copyright
Getty Images

Image caption

Rock band Linkin Park has worked with Mercedes AMG on car noises

The first draft of the NHTSA regulations demanded that cars make only one type of sound.

In response to requests from car makers, the NHTSA has suggested that vehicles be allowed to make several sounds. Public reaction to this proposal is now being sought.

Artificial engine sounds available on existing models, such as the Mitsubishi Outlander, generally make the hum of the battery-driven engine louder.

Mercedes AMG has worked with rock band Linkin Park to make distinctive sounds for its electric vehicles.

Porsche offers a $500 (£400) upgrade to its Taycan sports car that boosts the volume of its electric motor to make it sound more like a petrol engine.

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Nissan has trialled a warning system called Canto that adds a choral element to the engine’s whirr.

In Europe, the inclusion of warning sounds became mandatory on new types of vehicle made after 1 July, 2019. On hybrid and electric cars made before this date it was optional.

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