RR, Do you have any idea why margins were so large last summer and why they are much tighter now?

$100/bbl perhaps?

RR, Do you have any idea why margins were so large last summer and why they are much tighter now?

Demand is pretty soft right now. Refiners have had trouble making price increases stick. You can see that in the fact that gasoline inventories have been building. If inventories were falling, price increases would stick and margins would firm up.