New heavy-duty truck emissions regulations, along with higher operating costs, have trucking fleet operators looking harder for additional ways to gain fuel efficiency.   Record costs for fleets have come in the form of driver pay increases and a jump in repair and maintenance costs....

In commercial trucking, heavy-duty trailers typically have longer service intervals than tractors, so they may not be inspected by technicians as often. This makes preventive maintenance (PM) and pre-trip inspections just as – or even more – important for trailers...