Montgomery Gentry and the fun-loving attendees of the Pumper & Cleaner Environmental Expo International are a match made in honky-tonk heaven. The 2009 Expo Saturday Evening Jam headliners and environmental services professionals both love rolling up their sleeves and putting in a good day’s work.One of Nashville’s top duos over the past decade, Eddie Montgomery and Troy Gentry pride themselves on song after song recognizing the blue-collar work ethic and small-town values that give flight to the American Dream.Montgomery Gentry stops at the Expo in Louisville, Ky., on Saturday Feb. 28 in support of the 2008 CD release, When I
