A special driving event this weekend will bring some big engine-power together in Des Moines. Jeanette Steinfeldt is an associate director for Special Olympics and she explains it’s nothing like a race although it’ll be quite a show to watch. It’s the second annual “World’s Largest Truck Convoy” taking place at separate locations in 23 states for Special Olympics. The Iowa participants will gather at a westside junction of Highway 5, and drive across Des Moines to the state fairgrounds. There’ll be lunch, music and “goodie bags” for participants. Registration’s Saturday morning on Des Moines’ west side. For more information surf to specialolympics-dot-org.