You might have heard the term "jackknifing" with regards to semi-trucks, especially when they're in accidents. What is jackknifing, and how does it happen?

Watch the full restoration of an engine built and assembled entirely by hand. This detailed process shows how skilled mechanics clean, inspect, and fit each part with care and accuracy. From ...

Semi-trucks cover millions of miles each year delivering everything from apples to zithers. How long does a semi-truck engine last with good maintenance?

Bulletin: ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of ...