 The Obama administration was seeking the expansion of a loan guarantee program but as of December 2010 had been unable to commit all the loan guarantee money already approved by Congress.Since talk a few years ago of a “nuclear renaissance”, gas prices have fallen and old reactors are getting license extensions.The only reactor to finish construction after 1996 was at Watts Bar, Tennessee, is an old unit, begun in 1973, whose construction was suspended in 1988, and was resumed in 2007.