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

When many people walk right into a Chevrolet dealership in Mechanicsburg, they're concentrated on the glossy 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 couple of stop to consider what's happening behind the scenes. There's a whole world humming with innovation, k