Without cars, emergency vehicles could have their sirens at 10% of the volume. G... | Hacker News

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		SchemaLoad 3 months ago \| parent \| context \| favorite \| on: Changes since congestion pricing started in New Yo... Without cars, emergency vehicles could have their sirens at 10% of the volume. Garbage trucks and busses are slowly being replaced by electric versions which are much quieter.

nradov 3 months ago [–]

Electric garbage trucks aren't much quieter. I've heard them. Most of the noise comes from the machinery and the reverse beeping, not the engines.

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