The idea of steering a two-axle vehicle's front and rear wheels isn't new. Very early American 4x4 trucks from the dawn of ...

Part of a rack-and-pinion steering system, the rack is a bar parallel to the front axle that moves left or right when the steering wheel is turned, aiming the front wheels in the correct direction.

The crisp and quick steering response stands in stark contrast to the slow, ponderous steering that afflicts every other big pickup ... rear-wheel steering and a conventional rack-and-pinion ...