1,150-lb. aluminum utility trailer has tandem 3,500-lb. axles, removable aluminum fenders, two 5-ft. aluminum pull-out ramps that store under the extruded aluminum deck The 7816 tandem-axle, flatbed ...

Here's a concept for you: replace a trailer's passive axle with a hybrid electric-powered package that helps capture energy lost during nominal operating conditions and turn it into more "oomph" when ...

The 4x2 tractor can't get the rig moving on a slippery upgrade, so the trailer's powered rear axle provides a boost. Photo: Tom Berg from SAF-Holland video Powered trailer axles are unusual, even in ...

Hyliion founder Tom Healy poses with the first prototype of the hybrid system. The company is currently driving and testing a newer and more improved, third prototype. Photos: Hyliion Hybrid trucks?

Have you ever wondered why some semi trucks have one set of wheels and others have two sets crammed together? That's because some semis use a single axle while others have tandem axles, but why is it ...