Companies have made great strides in fostering collaboration with their trading partners, says Joseph Andraski, president and chief executive officer of Voluntary Interindustry Commerce Solutions (VICS). But there's still work to be done, especially with regard to tearing down internal and external silos.

Joe Gallick, vice president of sales with Penske Logistics, reveals some of the dramatic benefits his company has realized, on its own behalf as well as that of customers, by signing up with the ambitious program to slash energy use and greenhouse gas emissions.