John Caltagirone, vice president of supply chain strategy with The Revere Group, traces some of the major challenges that companies face as they prepare - or fail to prepare - for a resurgence in economic activity and customer demand.

Onboard systems for commercial trucks have evolved from "black boxes" monitoring driver behavior into sophisticated systems that enable the real-time flow of critical data on shipment status, security and safety throughout the organization, says Frank Moreno, vice president of marketing with Cadec Technologies.