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?

HDT’s 2025 Top Green Fleets range in size from a few dozen, like King Fio Trucking, to some of the largest fleets in the country, such as Knight-Swift Transportation and Schneider.

Tariffs, regulation rollbacks and funding freezes may slow down the industry's growth. But cleaner-running trucks are still gaining ground — in a slower ...

A third generation truck driver, for 26-year-old Joshua Pyke, there was never any question over which career path he’d eventually take.