U.S. developer TerraPower's natrium design is not among those of U.S., British and French developers selected for next phase of fast-track competition.
Even as small nuclear reactor designs gain traction, with Westinghouse announcing in early May a new 300-MW version of its larger AP1000 model now in use in Georgia and elsewher, construction hurdles need attention to speed deployment of advanced technology, says a new National Academies analysis.
