CF Industries Holdings, Inc. reported that regulators in Louisiana and Iowa have issued final air emission permits related to the company’s capacity expansion projects in both states. The Donaldsonville, La., project consists of new urea and UAN plants scheduled to come on stream in the second half of 2015 and a new ammonia plant in 2016. The Port Neal, Iowa, project consists of new ammonia and urea plants scheduled to come on stream in 2016.

“We are pleased that we have reached a key milestone in our capacity expansion projects in Louisiana and Iowa,” said Stephen R. Wilson, chairman and chief executive officer, CF Industries Holdings, Inc. “With the issuance of these permits, we remain on track to begin construction activities at both sites this summer and believe that our projects will be among the first in North America to be in production.”