Indeed electric vehicles are too quiet in urban areas!
"... To address that risk, regulators in Australia, Europe, the United States, and other regions now require EVs to emit artificial warning sounds at low speeds, forcing some automakers to recall their cars for failing to meet safety standards. What might seem like a simple safety measure has become a complex web of engineering, involving acoustics, signal design, human perception, and regulatory compliance. ...
But designing those signals means navigating strict technical requirements and the messy realities of urban soundscapes. And it’s still not entirely clear how well those warning signals actually work in real-world conditions. ..."
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