Defense Department officials have never applied a 2006 Pentagon policy aimed at making energy efficiency a key criterion in the development of new military capabilities, sources tell InsideDefense.com . The high-level Joint Requirements Oversight Council, led by the vice chairman of the Joint Chiefs of Staff, approved the creation of a so-called key performance parameter for energy efficiency in mid-2006. Pentagon officials modified the requisite Joint Capabilities Integration and Development System (JCIDS) guidelines in May 2007 to reflect the new...