ROCHESTER, N.Y. — Wegmans Food Markets is having a difficult time finding BPA-free substitutes for can linings given the drawbacks of alternatives, noted Mary Ellen Burris, senior vice president of consumer affairs, in a column posted Sunday. “One possible alternative shortens shelf life to less than one year and can’t be used for high-acid foods like tomatoes,” she said. “Glass jars are a possibility. They’re BPA-free, but heavier and probably have a bigger carbon footprint. Always ...

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