INSIDE THE MACHINE: A DAY IN A HIGH-TECH CHEVROLET SERVICE CENTER

When lots of people stroll into a Chevrolet dealership in Mechanicsburg, they're focused on the shiny new lorries on the display room floor. They're astounded by the contours of a new SUV or the muscular tissue of a powerful pickup. But few quit to consider what's taking place behind the scenes. There's a whole world buzzing with innovation, know-h