- Associated Press - Monday, March 24, 2014

PLYMOUTH, Minn. (AP) - Dozens of ice arenas around Minnesota face costly upgrades when a coolant is phased out of production.

More than 100 indoor ice rinks will need to be refitted when the refrigerant R-22 is no longer produced because of environmental concerns. That will happen in six years.

Sen. Amy Klobuchar is asking the Environmental Protection Agency to work with rink owners to stabilize the supply. Klobuchar says producing R-22 is what depletes the ozone layer, so nothing will stop rinks from using the recycled coolant.

The cost to upgrade a rank can range from $100,000 to $1 million. Legislation is being proposed to provide relief for city arenas dealing with high costs for R-22 and leaks that sometimes occur.

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