The purpose of the EV noise rule is to protect pedestrians, particularly those who are blind or visually impaired, from the potential dangers posed by "silent" electric vehicles. Due to the lack of engine noise, electric vehicles can be difficult to hear at low speeds, increasing the risk of accidents involving pedestrians. The EV noise rule aims to mitigate this risk by requiring electric vehicles to emit a detectable sound at low speeds, allowing pedestrians to be more aware of their surroundings and safely navigate shared roads.