PORTLAND, Ore. — If you live near a downhill section of freeway, you've no doubt heard that staccato-like rumbling of big semis trying to slow down. It reverberates through nearby neighborhoods like ...

Add Yahoo as a preferred source to see more of our stories on Google. Oct. 24—Excessive noise caused by commercial trucks using their engine brakes to slow down — sometimes called "jake brakes" — has ...

Truckers have long appreciated the safety value of engine retarders, but the general public has always been annoyed by the noise they produce. That's the mystery faced by engine brake manufacturers ...

Power is both the blessing and the curse of diesel engines, which is where retarders, more commonly known as engine brakes, come into play. Pacbrake explains that since diesel engines lack a retarding ...

Among the reasons someone might want to avoid passing a semi-truck is to steer clear of that harsh piercing screech it makes when slowing down. That sound is referred to as brake squeal, and although ...

1:54 Calls to prohibit engine retarder brakes in Devon The growling noise is most definitely not music to the ears of people who live along Highway 60 in Devon, about 20 km southwest of Edmonton.

She concedes there’s not much the state can do about it, but a state Division of Highways spokesperson believes the growing practice of regulating or prohibiting the use of so-called “Jake brakes” in ...