Analyst Insight: The shale gas revolution has fueled a resurgence of domestic manufacturing, driving rail shipments up over 6 percent and a two-year backlog for new cars. Maximizing fleet utilization is now a key management issue for most shippers. While current rail management tools are effective at tracking rail cars, an important gap exists with accurately predicting the usage and location of the cars over the entire planning horizon. – Alfred Sherk, CEO, SherTrack LLC