Long Oil, and other industrial commodity

Marc Faber : "We need to find new oil fields and develop them and that is very costly. I would estimate the marginal cost of adding new oil at USD 80 per barrel," "Of course, we have had a huge run up, and I think energy shares and oil is due for correction, but in an optimistic scenario, you should be long oil, and also other industrial commodity," - in www.moneycontrol.com