At 4 State Trucks in Missouri, the Chrome Shop Mafia adds some truckers' "bling" to a big rig as viewers tour its 35,000 square-foot treasure trove of chrome. In Illinois, learn just how automotive parts get their luster in a complex electroplating process. And out on the road with some bikers, take a look at how Harley Davidson puts chrome to work both as a decorative surface and a protective... see more