原油到100美元/桶只是时间的问题。US government doesn't want to see it happen either, in fact when Paulson took over as the treasury secretary, the first thing he did was telling his old Goldman Sachs energy traders to close their oil long positions, also Goldman Sachs reduced the weight of crude in its energy index.
Down to the bottom, it's a supply/demand issue, China is a huge factor. Oil production has peaked, the largest oil field of the world in Saudia Arabia is depleting.