Minnesota ice arenas face expensive conversions as federal law phases out common refrigerant

  • Article by: Associated Press
  • Updated: February 26, 2014 - 11:43 AM

DULUTH, Minn. — Hockey arenas across Minnesota are facing off against a big challenge: a chemical currently used in ice-making equipment at many arenas is harmful to the ozone layer so federal law is prompting expensive changes.

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