Defense Department officials are crafting a high-level strategy on energy use in the military that could help implement a never-applied 2006 policy making fuel efficiency a key criterion for new vehicles and weapon systems, defense sources tell InsideDefense.com . Defense Secretary Robert Gates called for the development of the Pentagon's first-ever "energy security plan" in a May document called the Guidance for the Development of the Force, putting members of DOD's Energy Security Task Force in charge of writing it...