I can't wait to see a "oil goes down" diary at the oil drum though...
I suppose that the decrease is due to the slowing of economy which is happening in US and UE now, but I'm wondering what TOD will say about it. Ignoring it is bad policy. A free fox in a free henhouse!
I don't see any evidence of trend reversal. Though I'm sure there's a chartist out there that believes a double peak like you can see towards the end of the series is a sign of trend reversal. A vivid image of what should exist acts as a surrogate for reality. Pursuit of the image then prevents pursuit of the reality -- John K. Galbraith