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Do Electric Cars Make Noise/Sound?

Updated: Apr 23, 2023

Do Electric Cars Make Sound?

One of the most significant gifts that car racing enthusiasts have gotten from the advancements in modern technology is EV cars. However, contrary to the roar of powerful combustible engines of the race cars, EV race cars bring with them the soft hum of their electric motors. Since the inception of car racing, "the sound of racing" has been the chief component of the thrill that comes second only to the speed of race cars. There is no such electric sound produced in EV cars. Despite the perceived benefits of shifting to EV vehicles, hardcore racing enthusiasts find it akin to learning to walk all over again while adjusting to the new electric sound of race.

Though the psychology of the thrill of racing can be attributed to these vehicles' mesmerizing sound, the introduction of EV cars has brought a slew of benefits to its customers, audiences, communities, and the environment.

The two most significant contributions of electric automobiles are CO2 emissions and sound pollution reduction. From the perspective of race car drivers, they can detect variations in sound-induced by factors like acceleration, deceleration, and current speed. It is beneficial for the race drivers as the noises of their cars alert them to their driving circumstances.

In order to keep the excitement alive, for both the drivers and the fans, artificial sounds were built in the Ev race cars. These sounds were produced out of the gearbox of the cars. The organizers of car racing made sure that the cars should have a certain engine sound.

Electric vehicles (EVs) Sound:

Ev Vehicles are known for their soundlessness. Electric motors do not require mechanical valves, gears, or fans, unlike traditional combustion engines. An EV motor hums gently when idle. Passengers may hear the tires and the wind as the vehicle is moving. It can be beneficial in metropolitan areas where vehicle traffic is the primary source of noise pollution.​​ But the children, animals, and the visually handicapped have a tougher time detecting an EV since these are so silent.

Electric vehicles (EVs) are becoming more popular on roadways and in towns worldwide. EV sales increased by 41% globally in 2016, and their popularity on the road is expected to skyrocket in the next few decades. The benefits of these cars to society are numerous. These reduced CO2 emissions and improved fuel efficiency; nevertheless, one significant concern that has been gaining attention for some time is EVs' lack of detectable sound when they are in operation due to the lack of a combustion engine.

EVs are naturally quieter than gasoline-powered cars because they do not have internal combustion engines. When the cylinder pressure fluctuates in traditional automobiles, the engine creates a combustion noise. The engine in EVs is replaced by a large electric battery, which requires charging at a charging station. The only noises made by electric cars are those produced by their tires or wind resistance, which occurs only at greater speeds. Data indicated that persons were 40% more likely to be hit by an electric car than by a standard car. It meant that EVs were potentially riskier than existing gasoline or diesel vehicles.

Numerous nations have implemented legislation and recommendations requiring all-electric vehicles to make a sound when traveling at moderate speeds to solve this problem. Since 2019, the National Highway Traffic Safety Administration (NHTSA) has mandated that new EV cars in the USA emit noise when moving slower than 18.6 mph to guarantee that blind, visually handicapped, and other pedestrians may identify and recognize hybrid and electric cars. Electric cars must be fitted with an Acoustic Vehicle Alert System (AVAS) in Europe and Australia, making noise at less than 20 kilometers (12 miles) per hour. EVs' AVAS noise will be only audible from outside the vehicle. Thus passengers sitting inside the vehicle will not be able to hear anything.

To cope with the issue of electric cars being silent, the manufacturers have started creating artificial electric sounds for cars with the opportunity to create brand sound signatures. They are already working on adding artificial noises that mimic engine noise normally played through external speakers. The growth in technology both inside and outside the car swiftly opens up unimagined possibilities and functions in cars, such as autonomous driving and accident avoidance capabilities. These innovative technologies use sensory data to make better, more educated judgments about safety. These innovations were never imagined and seen in old fuel cars.

The regulations have forced electric cars to make artificial sounds to help pedestrians and the visually handicapped. For instance, the all-new Ford Mustang Mach E makes an interesting bassy hum as it accelerates. It's all made up, but it sounds good and makes driving seem more fun.

Porsche has also considered making its electrified vehicles sound more thrilling. It would be a pleasure for all the race lovers to hear the roaring sound from the electric sports cars. Although the sound seems fake, it's more fun for fans, and it will be cooler than fuel cars which have internal combustion engines which make noise on their own.

Electric vehicles are becoming increasingly popular due to their significant advantages over internal combustion engines. The growing global demand for electric vehicles has given manufacturers new opportunities to design environmentally friendly cars and adhere to legal requirements. These electric cars have made a significant contribution to the environment by lowering CO2 emissions, producing less noise, and reducing noise pollution. In racing, Formula E was created to express the concept of sustainable mobility as the world moves toward an increasingly electric automobile future.

With all the new technology and innovation that the EV brings, we still want and need the “Sound of Speed”!!!

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