Peterbilt Motors Company has rolled out its newest truck, the Model 579. They have made improvements in aerodynamics, comfort, technology, and other advanced systems. This is Peterbilt’s most aerodynamic and fuel-efficient model thanks to the exterior design, the hood, the new engine, and transmission. This model also comes with a 15″ Digital Dash Display, a 10% quiet cab and sleeper, a smart steering wheel, and the new lane-keeping assist. Click the link below to learn more about this new truck.