Washington, July 24 -- In an announcement touting a major resurgence for domestic energy, US President Donald Trump declared on Friday (local time) that four private companies have met his administration's ambitious deadline to develop and achieve criticality on advanced nuclear reactors, signaling what he described as a new era for American power generation.

Speaking during an address on American nuclear innovation, President Trump framed the progress as a historic breakthrough for the nation's energy supply, praising the rapid timeline achieved under a Department of Energy pilot initiative.

"Today, we're celebrating a historic milestone for civilian nuclear energy and the incredible renaissance of nuclear power in America," President ...