So creating tiny reactors in cars and injecting just several atomic fuel to it, doesn't work?
There's no infrastructure for it. No regulation, no policies, no private market support... you're talking about bringing something into existence by sheer force of will that could take decades to implement ASSUMING public support was behind it - which it is not. Americans still have a knee jerk reaction to nuclear energy just as much today as it was when Chernobyl and Six Mile Island happened yesterday. Nuclear power plants are fought kicking and screaming... and this is an energy solution that involves putting it in people's houses and neighborhoods by the tens of thousands.
It is not a quick fix for anything and ISIS will be a byline in history books by the time such a thing would even BEGIN to put a dent in overseas oil consumption.