Key Takeaways OKLO is repurposing surplus plutonium as fuel for advanced fast-spectrum nuclear reactors.Federal support and early safety approval enabled OKLO to begin building its fuel fabrication facility.Criticality tests with Los Alamos showed plutonium fuel is safe and compatible with other reactor fuels.Nuclear start-up Oklo Inc. ((OKLO) sits at the center of a policy shift that is transforming surplus plutonium from a Cold War liability into a potential energy asset. Federal direction now favors repu ...