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Xcel Energy to use soy oil in its transformers

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FARGO, N.D. (AP) - Xcel Energy says it will be the first large utility in the country to switch to soy-based transformers, using oil produced from domestic soybean crops.

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The company now uses petroleum-based mineral oil, which is the industry standard and works well, Xcel spokeswoman Bonnie Lund said Thursday.

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