The U.S. Department of Energy (DOE) has initiated the second Quadrennial Technology Review (QTR). The DOE QTR 2015 Framing Document was developed as a principle means of facilitating stakeholder engagement in the QTR process. The framing document describes the Nation’s energy landscape and challenges, important research, development, demonstration and deployment (RDD&D or RD3) opportunities across energy supply and end-uses in working towards addressing U.S. energy-linked economic, environmental, and national security challenges. All questions and comments should be sent to

Instructions for submitting comments are provided separately. If you believe that your comments contain confidential information and should not be subject to public disclosure, please review the instructions for providing comments with confidential information.