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Using a common metal most famously found in self-cleaning ovens, Sossina Haile hopes to change our energy future. The metal is cerium oxide-or ceria-and it is the centerpiece of a promising new technology developed by Haile and her colleagues that concentrates solar energy and uses it to efficiently convert carbon dioxide and water into fuels.

Petrochemicals are the raw materials used in the extraction, processing, and production of petroleum products such as gasoline, diesel, natural gas, and petroleum diesel. These chemical-related industries constitute one of the largest and fastest-growing sectors of the global economy.