Advances in pipe service technology took the spotlight at the 28th Annual Pumper & Cleaner Environmental Expo International in Louisville, Ky., Feb. 28 to March 1. The event attracted 11,415 attendees representing 4,688 companies and municipal agencies. The record total of 562 exhibitors included producers of drain and lateral cleaning machines, waterjetters, inspection systems and software, trenchless rehabilitation technologies, high-pressure cleaning systems, truck- and trailer-mounted vacuum and combination systems, and much more. Here is a sampling of new products on display.Variable-speed cableThe Model CT countertop drain cleaner from Electric Eel Manufacturing Co. Inc., has a variable-speed motor that gives the
