They were, in fact, out of fuel and unable to operate heavy industry, and faced disaster. That the generals had personal opinions they were empowered to act upo

They were, in fact, out of fuel and unable to operate heavy industry, and faced disaster. That the generals had personal opinions they were empowered to act upon did not change the objective fact that as a nation they could no longer wage war, nukes or no nukes. The emperor wanted to negotiate a surrender. They ended up with an "unconditional" surrender, but with an under the table promise to allow the emperor to keep his title.