The Hyliion 6X4HE system, which includes an electric APU that saves another 12% in fuel, is being tested by three major fleets.

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

A hybrid electric-drive trailer tandem being developed by a group of engineers at Hyliion Inc. in Pittsburgh, Pa. The device, which for now has no official...

Navistar says it will "leverage joint technology" to produce its own premium vocational trucks.

‘We’re selling everything we can build,’ manufacturers say as they boost production, and they see no letup.

Like the diesel version shown off last December, the gasoline truck's capabilities lie between traditional half- and three-quarter-tonners. Senior Editor...

Navistar says it will "leverage joint technology" to produce its own premium vocational trucks.

Cummins officials say their next-generation X15 heavy-duty diesel series will offer new value through economy, performance, reliability and support when it...

Mack Trucks picked Earth Day in Austin, Texas – said to be one of the country’s most “green” cities – to announce its 2017-model powertrain products,...

The amendment's underlying bill was pulled from further consideration when it became snarled in an unrelated controversy over the Confederate flag.

Western Star says the 4700, its most popular truck model, has been updated to make it lighter, safer, more productive, and faster to upfit.

UPDATED -- What's next for Caterpillar and Navistar vocational trucks, now that Caterpillar's ending its Cat Truck assembly agreement with Navistar?...

Ford and United Auto Workers officials Wednesday morning drove the symbolic first unit of the new F-650/750 series off the line at its Ohio Assembly Plant...

‘We’re selling everything we can build,’ manufacturers say as they boost production, and they see no letup.

Two companies report they're on the brink of commercializing low-pressure dispensing and storage of compressed natural gas through carbon adsorption, which...

A big-block V-8 engine will burn propane and deliver diesel-like performance at lower cost, the company says.

Road salts damage steel and aluminum wheels, and there are proper ways to maintain and repair them.

Slips and falls constitute a major cause of injuries and worker’s compensation claims for drivers, and while that usually applies to trucks and tractors, it...

UPDATED -- What's next for Caterpillar and Navistar vocational trucks, now that Caterpillar's ending its Cat Truck assembly agreement with Navistar?...

If enthusiasm ensures success, Nikola One, the fuel cell-electric long-haul tractor unveiled Thursday night in Salt Lake City, is a sure thing. It promises...