capacity in the u.s., 17 million barrels a day, would have to be further increased if you're going to see rodda exports --product exports continuing to rise at the kind of level or rate that we have seen over the past couple of years. so there is kind of a natural limit that would come from capacity in the refining industry itself. on the crude oil export side, you are correct that exports to canada or permitted fairly -- are permitted fairly easily, as long as the oil is being refined or otherwise used in canada, so oil cannot go to canada for reexport from canada. it's got to be used there. that number has picked up recently. it had been running at something like 50,000 barrels a day and it has now moved up toward 150,000 barrels a day, depending on the month. there have been some reports of crude from texas going to eastern canadian refineries for example. the very first public talk i gave at e.i.a. administrator last summer, what i said was the growth in light sweet crude oil production in the u.s. looked like it was going to to want rise, that the refinery configurations in the gulf of mex