New York wants to become the second state to adopt Obama-era limits on climate-warming coolants.

The Department of Environmental Conservation will develop regulations mirroring 2015 and 2016 Environmental Protection Agency rules banning certain hydrofluorocarbons, or HFCs, Gov. Andrew Cuomo (D) announced Sept. 10. Those chemicals, often used as refrigerants, are greenhouse gases that are hundreds of times more potent than carbon dioxide.

California earlier this year adopted the rules through a combination of regulation and legislation.

The push...