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 ...

So, on the one hand, electric vehicles are great for towing things. They make huge amounts of torque, and it's available all the time. Unfortunately, towing also has a habit of tanking an EV's range.

When it comes to towing heavy loads, conventional wisdom states that more trailer axles are better. Just look at those specially built haulers that carry million-pound superloads—they have more axles ...