Government Excess Prevention Act of 2011 - Directs the Director of the Office of Management and Budget (OMB) to coordinate with federal agencies to: (1) determine which government publications could be published on government websites and devise a strategy to reduce government printing costs over the 10-year period beginning with FY2012, (2) issue on OMB's public website the results of a cost-benefit analysis for monitoring government printing, and (3) establish guidelines on employee printing and for disclosing the cost of printing government publications.
Imposes limitations on government travel and subsistence expenses, except for expenses incurred for threatened law enforcement personnel and for other expenses related to national security or public safety.
Rescinds in FY2011 20% of the funding for the acquisition of new vehicles for the federal fleet by the General Services Administration (GSA). Imposes limitations on such funding in FY2012 and subsequent fiscal years.