 The board found that most of this 11 million square feet of federal office space is underutilized and that agencies could save about $3 billion in the long term by eliminating about 60% of the space. Jory Heckman, Federal News Network. Find these stories and more at federalnewsnetwork.com. I'm Eric White. Stories of how local innovation influences the federal government, told by the entrepreneurs who make it happen. Search What's Working in Washington.