Using GPS as part of a logistics application to manage and track delivery truck fleets is one example where the technology can deliver real benefits and cost savings, maintains Jim Butler, senior vice president of TransTech Consulting, a supply chain and warehouse consulting company. Specifically, GPS technology can keep supply chain and manufacturing professionals in the loop on whether a truck is on course or whether it might be delayed due to inclement weather, using that intelligence to make the appropriate adjustments. "GPS allows companies to make on-the-fly decisions based on services times and in accordance with service-level requirements