I find it a bit of a stretch. It would be very tough to simulate. You would have to be driving the same roads with the same wind conditions...the same everything. It would likely be very different. There is a possibility that U.S. gas may be a little heavier and have slightly more energy, and that would be due to the climate. All of our gasolines...you talk about winter gas and summer gas. Winter gas is more volatile. It has more butane in it and it evaporates. But I wouldn't—
On June 18th, 2007. See this statement in context.