Editor's note: PartsTrader is not a unit of State Farm Insurance Co. An earlier version of this story misstated that relationship.
CHICAGO -- The average light vehicle on America's roads is 11 years old. That's good news for auto repair and body shop owners, who thrive on fixing old vehicles.
The bad news is that insurance companies are increasingly savvy at reducing payments for repair work. Shops say insurers are steering them to aftermarket parts from China and other low-cost countries, which some say are inferior to factory-approved parts.
News Editor Charles Child visited the Automechanika Chicago trade show for auto repairers and their suppliers on April 24 and 25. Here are his snapshots of seven people at the show striving to stay abreast of rapid technological and global change.