You've probably noticed those giant flaps mounted on the backs of many semi-trailers you see on the highway. Here's what they ...

That quilted pattern spotted on the rear doors of some semi-truck trailers may look good, but it also has a larger purpose. Here's the explanation.

For one thing, a semi truck's rear is usually obscured, so a dashboard rearview mirror wouldn't do anything. Regular side view mirrors, meanwhile, are too small to properly reflect the truck's ...

Semi trucks are already massive machines as is, with the average US semi reaching 72 feet and weighing upwards of 25,000 pounds unloaded. They're so big, in fact, that they're even legally ...

ETNA, Ohio (AP) — A charter bus carrying students from a high school was rear-ended by a semi-truck on an Ohio highway Tuesday morning, leaving three people dead and 15 others injured, according ...