We try a Jeep Renegade with GKN’s latest self-contained electrified rear-axle with torque vectoring from a single motor. There's no better way to meter precisely the right amount of torque to each ...

A few weeks ago, I went to the amazing Auburn Cord Duesenberg Automobile Museum in Indiana, where I learned about an axle that has not just one gear ratio like in pretty much all modern cars, but two.

This story appears in the Feb. 20 print edition of Transport Topics. Meritor Inc. and UQM Technologies Inc. announced an agreement to develop an integrated electric axle that would replace or downsize ...