I saw that , but it's not a serious initiative, it's just idle babble for the moment. When the guy gives a ten-year window for this to happen in and doesn't even commit to a switch within that time, you know he's just making waves.
I think there's more chance of it happening spontaneously, producer by producer, as the ones least attached to the U.S. start to consider the costs and benefits of sticking to the dollar. Iran's already doing it, according to the article. Someone else follows, then someone else and then there's a stampede.