For context, the unique sound of heavy truck braking is when they use their engi... | Hacker News

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ethbro on July 27, 2016 | parent | context | favorite | on: Mercedes-Benz shows off the first fully electric h...

For context, the unique sound of heavy truck braking is when they use their engine to save pads.

There are places where engine compression braking is specifically prohibited due to noise concerns.

See https://en.m.wikipedia.org/wiki/Compression_release_engine_b... (also called Jake brake by truckers)

nawitus on July 27, 2016 | [–]

Had to Google it, since I've never heard it in Europe:

https://www.youtube.com/watch?v=wPRLOyWKxmk

ssharp on July 27, 2016 | [–]

I'm not sure if engine brakes cause the city braking noise though. I tend to notice more of the air brake sounds when the air pressure get released.

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