alt Hacker NewsWithout 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.
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.
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.