Europe Offers Iran ''Proliferation-Proof'' Nuclear Power Program

I think thats something everyone could agree on, but what is it exactly?

Europe to help Iran develop a ''proliferation-proof'' nuclear power programme if it quits enriching uranium on its own soil.

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To the best of my knowledge all nuclear power systems can be used/abused to create nuclear weapons if the spent fuel can be processed. Are there enrichment methods that are not capable of producing weapons grade material?