There are sound economic and environmental reasons for commercial truck fleets to consider natural gas as an alternative to diesel fuel, says Patti Murdock, president and founder of Clean Logistics Consulting. Higher equipment costs and a still developing infrastructure, however, mean that it is not right for all situations.

UPS has launched UPS Temperature True Cryo, a service that includes real-time tracking and intervention services for healthcare customers with temperature-sensitive shipments.

Even in the age of recycling, forward and reverse supply chains have tended to be treated as separate disciplines. Now the world's largest retailer is partnering with major consumer goods manufacturers to help erase that distinction.