Explore all the nuclear fuel alternatives

Environmental Capital on the statement emerging from Obama's recent visit to Japan:
But one bit in particular seems interesting: “Strengthened partnership on nuclear energy including on advanced fuel cycle technologies…”

That pretty much boils down to figuring out the best—and most affordable way—to reprocess spent nuclear fuel. That’s something Japan and some European countries do; the U.S. nixed such plans during the Carter administration, though it’s perennially on the Energy Department’s back burner.
Given the many challenges posed by reprocessing nuclear fuel, one would hope that "advanced fuel cycle technologies" has a more broad and far-sighted connotation, including alternative reactor designs (e.g. here, here) and perhaps a more substantive R&D effort around the promising but under-developed thorium fuel cycle.

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