In Washington, the American Chemical Society and the EPA honored the winners of the 2013 Presidential Green Chemistry Challenge Awards. Two of the five winners included Richard P. Wool, Ph.D., University of Delaware, Newark, Del., who has created several high-performance materials using bio-based feedstocks, and Cargill, Inc., for developing a soybean oil product for use in high-voltage electric transformers, which is less toxic than formerly used PCBs, less flammable than mineral oil-based transformer fluids, and uses a lower carbon footprint across the entire life cycle of the transformer.
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