Without any announcement, PotashCorp is expanding one of its ammonia lines in the US.
PotashCorp has "successfully completed" the ammonia expansion at Lima, OH.
They "brought production back online" in October, after a 7-week turnaround that started in August, according to their Q3 2015 earnings call last week.
PotashCorp's accompanying Q3 2015 presentation described the Lima project as ...
UPDATED: 11/22/2016 — see Change Log
OWNER: PCS Nitrogen LP (Potash Corporation of Saskatchewan / PotashCorp)
PROJECT: Nitrogen plant
SUMMARY STATUS: Operational
Ammonia production began at Augusta in 1964. The present plant started up in 1977, with revamps and expansions in 1996 and 2012, and a significant ammonia expansion during turnaround in 2016. In September 2016, Agrium and PotashCorp announced a potential "merger of equals."