The scoop under some semi-trucks has nothing to do with ice cream. It's a way of improving the trucks' fuel efficiency.

The average miles per gallon of a semi-truck is bad enough when barreling down the highway — somewhere in the range of 6-8 MPG — but things don't look much better when the 18-wheeler's at a standstill ...

The Tesla Semi is arriving at a moment when freight margins are thin, diesel costs are volatile, and regulators are tightening the screws on emissions. If the truck delivers on its performance and ...

From speed management to minimizing idling, these driver tips highlight simple ways fleets can improve fuel economy without new equipment.

Six Carrier Transicold Supra HE 8 units join the company’s growing exclusive Carrier fleet, supporting temperature-controlled ...

One full-size truck doesn’t need a hybrid or diesel powertrain to make the cut. Pickup trucks are not often associated with efficiency, but many Americans are willing to forgo low fuel bills for the ...

Fuel efficiency challenges for heavy trucks in African terrain, from rough roads and steep gradients to fuel quality, ...

Volvo Trucks has introduced a new generation of its I-Roll technology. The upgrades adds new engine stop/start functionality. Volvo said the technology is a world first in the heavy-duty truck ...