Talk:Iron oxide cycle

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This article is biased towards solar power. It only describes solar power as the heat source for the reaction. Why couldn't another heat source (such as coal, nuclear, or oil, etc...) be used instead to drive the reaction? Any heat source should work. — Preceding unsigned comment added by 74.178.233.216 (talk) 19:03, 8 September 2011 (UTC)[reply]