Diagram extracted from Generation IV roadmap published by US Department of Energy and cleaned up to remove excess grouping.
US Department of Energy Nuclear Energy Research Advisory Committee
<ul><li><a rel="nofollow" class="external free" href="http://www.ne.doe.gov/genIV/documents/gen_iv_roadmap.pdf">http://www.ne.doe.gov/genIV/documents/gen_iv_roadmap.pdf</a></li>
<li>Vector source for <a href="//commons.wikimedia.org/wiki/File:Msr.gif" title="File:Msr.gif">File:Msr.gif</a>.</li></ul>