it's funny, Iraq chose to trade their oil in euro denominations early last decade... Result: NO. Libya on the verge of creating an African central bank backed by 144 tonnes of gold (130 of which is now only accounted for) thereby ceasing the need for an IMF presence in African states... Result: No. Iran choosing not to TRADE OIL in the US reserve currency and instead choose to directly with global powers in the trading of their own oil with the use of bi-lateral agreements...
Result: believe me, this is an idle threat...the decades old petro-dollar warfare is coming to an end...
Look at India, Russia, China...no one wants to trade commodities in a depreciating, unsound and dying currency...
Iraq war mongering from PNAC started in the 90's, before the euro was even introduced, though.
The US lost a billion $ investment in Mubarak. Since the iranian revolution in 1979, Iran has not been able to use the Suez Canal to send Oil to the West and after ILSA in 96 Libya could not send their through to Asia. When Mubarak fell, for the first time ever, Iranian ships passed through the Suez canal and Gaddafi made huge oil contracts with China as he could now go east. He reneged on billions worth to europeans. So Libya was bombed and sanctions were placed on Iran. The only other option is passing oil through Israel, as the BTC consortium does and as Russia does through Israel's Eilat-Ashkelon pipeline.
Egypt being reopened breaks Israel's monopoly. Mubarak fled to Israel. Libya was bombed for threatening oil interests of Israel and Europe and opening up Africa to China. That is also why the US has attacked Yemen and Somalia. They are the other two access ports, especially Aden, that do not yet have a western military presence and who trade with China. Look at the timing of the events and what happened. Gaddafi had been screaming the same rehtoric for decades, it wasn't until trading his oil with China and telling Europe to stick it, it became a reality that they moved in to replace him. The military junta in Egypt is barely hanging on. Right now the Caspian oil and gas goes west from Azerbaijan to Georgia to Turkey to Israel, who gets to ship it to Asia. It does not take the direct East route because it can't, there is a large war in Afghanistan preventing that from happening. But guess who can go under it? Iran.
Iran could connect to Pakistan and avoid it, and so war with Iran is hot on the table.
Of course, Iran and Libya had been in the crosshair for some time.
Iran support Hamas & Hezbollah and are preventing desired israeli expansion, in addition to being a major regional power not controlled by the US. Gaddafi had only ever been compliant because of heavy sanctions, and use of force in the past. Form 2005 on, he was cooperating because he had to. Libya had no alternative, but after Egypt fell, everyone rose up and so NATO brought the hammer down.