Nymex also offered to retain the trading floor of the IPE.
Observers believe the FSA fears there will be a vacuum in leadership at the IPE.
The IPE board favours the latter, despite a pledge by Nymex to retain the IPE's open outcry trading system.
Several members of the IPE board, including chairman Lord Fraser, have said they will resign if the initiatives are defeated.
This time around, Nymex had proposed to take a stake of 55% of the IPE, with the five consortium members eligible to bid for the remaining 15%.
In recommending the sale to a five-member consortium, the IPE board rejected a similar bid from the rival New York Mercantile Exchange, or Nymex.
An earlier set of talks between Nymex and the IPE faltered earlier this year, derailed by issues relating to control and regulation.
In 2006 the IPE began to publish data on individual companies and the pollution they generate, hoping this would spark public pressure and bring change.
But the IPE is part of a network of 50 environmental groups called the Green Choice Alliance which can speak with one voice.
Issues encountered by nursing faculty members as they implemented the IPE experience are discussed.
In the literature, the IPE watermarking scheme [15] has a satisfactory performance.
