With almost one-third lower fuel consumption. Volvo Trucks’ new concept vehicle shows how it is possible to drastically boost productivity in long-haul...

Whether you’re looking to improve mpg or reduce overall fuel use and cost, automated routing and dispatching systems, telematics, in-cab nav, analytics and...

An accomplished owner-operator offers his advice on what it takes to drive fuel efficiently. He contends that if drivers want to achieve high fuel economy...

UPS has 90,000 trucks, tractors and package cars around the world is known for its push to adopt alternative fuels and powertrains, which run “green miles.”...

How do you save fuel in a work-truck and heavy-haul operation? “Leave the truck parked,” quips Wayne Queen, trucking yard manager at Kokosing Construction.

Duplainville Transport’s aerodynamic tractor-trailers average 7.7 mpg on trips among printing plants operated by its parent, QuadGraphics.

Vnomics’ True Fuel is a monitoring device that encourages drivers to do better without getting on their nerves or taking away drivability, while providing...

Industry reactions to the final greenhouse gas/fuel efficiency rules for medium- and heavy-duty trucks tended to be [mostly] upbeat and positive, reflecting...

U.S. Xpress hosts a fuel-economy test of the latest high-mpg tractors as the Canadian engineering-consulting firm moves to help American fleets protect...

To meet Phase 2 GHG regulations, fleets will have to pay for advances to get required fuel-economy gains and keep everything working.

This is the fifth year we’ve recognized some of the country’s “greenest” fleets with our Top Green Fleets award – and this year, we’ve narrowed the field...

There's a new head of the committee developing the new heavy-duty engine oil classification, known as PC-11. HDT talked to Shawn Whitacre to find out what...

These common-sense tips can be implemented across many different types of fleets — and most don't require a substantial financial outlay.

Today's "downsped" drivetrains can improve fuel economy, but high torque and low axle ratios can create all sorts of havoc with drivetrain components.

Hypermiling techniques can deliver impressive fuel economy and cost savings with lower fuel usage, but the driving techniques used by hypermiling hobbyists...

Today's complex engines may be different from in 1995 but the principles of getting better gas mileage haven't changed.

We take a close look at the proposed 'Phase 2' greenhouse gas/ fuel economy rules.

The problem with the proposed Phase 2 GHG regulations is that Washington never sees the whole picture with the trucking industry.

By the early ’80s some fleets were using roof-mounted air fairings on their road tractors to reduce drag. That got the attention of owner-operator Bob...

Commercial fleet managers report improving business conditions, which will increase new-vehicle ordering in the 2014 model-year compared to the prior year....