MEET THE MACHINES: A TOUR OF A HIGH-TECH CHEVROLET SHOP IN MECHANICSBURG

When lots of people stroll into a Chevrolet dealership in Mechanicsburg, they're concentrated on the shiny new lorries on the showroom floor. They're mesmerized by the contours of a brand-new SUV or the muscle of a powerful pick-up. Yet few quit to consider what's taking place behind the scenes. There's an universe humming with innovation, experien