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The US is advancing a nuclear initiative under an Other Transaction Authority agreement that streamlines processes. The Department of Energy will supervise Project TETRA, which aims to demonstrate the Integral Molten Salt Reactor's operation.

This fourth-generation reactor uses molten salt as fuel and coolant, operating at high temperatures and low pressures. It utilizes low-enriched uranium and graphite as a neutron moderator, achieving an efficiency of 44% with a potential output of 392 MWe from 884 MWth. The reactor's design includes a sealed core for easier maintenance, and the project is part of the Advanced Reactor Pilot Program, exploring non-traditional applications such as high-temperature heat supply for chemical processes and data centers.