DislikedIran has been pricing oil in other currencies (Euro, Yen, etc) excluding the U.S. dollar, for years now with no ill effect on the value of the dollar.Ignored
March 20, 2012: the Iranian oil bourse will no longer trade oil in the dollar but start trading oil in other currencies like the euro, yen, yuan, rupee or a basket of currencies.
http://en.wikipedia.org/wiki/Iranian_oil_bourse