PolyHedral
Superabacus Mystic
There's a lot more uranium to squabble over. Not to mention that you can also use plutonium, thorium and, IIRC, neptunium.
And just because France is a lot smaller doesn't mean that it's infeasible for the US to change. (Though they might take too long about it) From that chart you posted, most of the cost seemed to be in the fixed costs, like building the plants.
And just because France is a lot smaller doesn't mean that it's infeasible for the US to change. (Though they might take too long about it) From that chart you posted, most of the cost seemed to be in the fixed costs, like building the plants.