The humble leaf, which collects sunlight and uses that energy to turn carbon dioxide into fuel for the plant, has inspired scientists to create various systems that could turn the greenhouse gas into fuels, using bacteria, engineered microorganisms, chemical reactors or a catalyst of copper and carbon. Now, researchers at Indiana University (IU) have developed a molecule that uses sunlight to convert the problematic carbon dioxide into carbon monoxide, which can then be stored as a fuel source.
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