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Secretary Chu is accepting questions on Facebook, Twitter and e-mail for the Energy Innovation Hub directors -- who are working to build better nuclear reactors, obtain fuel from sunlight and design the most energy efficient buildings to date.

Secretary Chu will host a live, streaming Q&A session with the directors of the Energy Innovation Hubs on Tuesday, March 6, at 2:15 p.m. EST at The directors will be available for questions regarding their teams' work and the future of American energy. 

Submit your questions on Facebook, Twitter (@energy), or send an e-mail to, prior to or during the live event. 

  • Dr. Nathan Lewis is the director of the Joint Center for Artificial Photosynthesis, which focuses on how to produce biofuels from sunlight, water, and carbon dioxide –- emulating the process of photosynthesis, the process by which plants turn light into energy. 

The Energy Innovation Hubs are major integrated research centers, with researchers from many different institutions and technical backgrounds. Each Hub is focused on rapidly accelerating scientific discoveries toward a specific high-priority goal and shortening the path from laboratory innovation to technological development and commercial deployment of critical energy technologies.

UPDATE: Watch the recording from this live discussion. 

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