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.

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.