We could conceivably see a disappearance of the middle grade. I don't know the exact sales of it, but it's a fairly low premium. As the prices go up, it's amazing how people are buying more and more of the regular grades. Some of the car manufacturers say that you should use premium, when technology-wise, if you do the research, it's more of a marketing ploy—because it is a premium car, it must need premium gas—as opposed to engineering saying that the combustion ratio is high enough that you actually need premium gas.
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