Suvir Mirchandani's research project found that by switching to a more efficient typeface for printed documents, the federal government could save as much as $136 million per year.
http://www.cnn.com/2014/03/27/living/student-money-saving-typeface-garam...
While switching to electronic documents is preferable, it will be impossible to eliminate all printing needs. For those documents the government does print, it would make sense to switch to a more efficient typeface, such as Garamond.