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 ...

A vehicle rarely stays quiet when something goes wrong. Long before a dashboard warning light flashes or a breakdown leaves a ...

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 ...

Fleet managers should have a good understanding of engine brakes and how they are properly used. How often do you hear drivers complaining about weak engine brakes? Some drivers will say the engine ...