First Quadrennial Technology Review (QTR 2011)
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Download the 2011 Quadrennial Technology Review and the 17 Technology Assessments that were carried out as part of the analysis below. These are meant to be accessible summaries of the techno-economic aspects (e.g., current deployment, historical pace of progress) and research and development (R&D) opportunities in the most important energy technologies or systems. Also available below is the QTR 2011 Framing Document which describes the analysis that was carried out.