The General Services Administration (GSA) has released its annual Request for Information (RFI) seeking emerging sustainable building technologies to support its Green Proving Ground (GPG) program. Under the initiative, GPG identifies advanced technologies and evaluates them in a real-world capacity in order to drive deployment of innovative technologies in federal buildings and help GSA achieve its sustainability goals. Responses to the FY 2013 RFI are due by 5:00 pm Eastern, November 23, 2012. Request for Information