Engine hours and idle time are changing how trucks are priced, with APUs playing a growing role in used truck valuation.

Used diesel buyers are increasingly looking beyond the odometer, weighing engine hours alongside miles to figure out how hard a truck has really worked. Drivers, fleet managers and mechanics say the ...

The mileage of a vehicle is the standard way to judge how much it's been used, and it's one of the few main metrics most people pay attention to. For commercial vehicles and diesel trucks, engine ...