Many of the larger vehicles on our roads have one intriguing thing in common: They can make sudden, loud, gas-escaping hissing noises. These noises, admittedly, have made this writer jump -- on more ...

For heavy duty trucks like semis hauling lots of cargo over long distances, conventional friction brakes just can't do it on their own. To maintain safe speeds and prevent overheating on long descents ...

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 ...