Arnold Motor Supply hosts Sen. Grassley and local repair shopsSen. Chuck Grassley is flanked by Arnold Motor Supply's Vice President of Information Systems Eric Johnson (left) and Managing Partner Dennis Spooner. The biggest topic of the meeting was the Your Car, Your Data initiative. Arnold Motor Supply hosts Sen. Grassley and local repair shops By Staff/Wire Reports on September 2, 2020 Meeting shines spotlight on vehicle data ownership as it affects consumers and repair community.