The lowly soybean has found a calling higher than tofu and tamari sauce. It's being used to insulate equipment bringing electricity to millions of homes.
More than 100 utilities are using soy-based oil as a safer, eco-friendly alternative to petroleum coolants in electrical transformers, which convert high-voltage power from a plant to a lower voltage for consumers.
Fires occur nearly every day around the country due to problems with transformers, say proponents of soy oil. On May 2, flames leapt 15 feet above street level through a manhole in Cambridge, Mass, temporarily shutting down Harvard Square.
Soy oil is … Read more