But that's not enough: To maintain energy security, one needs a supply system that provides a buffer against shocks. It needs large, flexible markets. And it's important to acknowledge the fact that the entire energy supply chain needs to be protected.

Council on Foreign Relations Press 2001. An essay that Yergin publiDaniel Yergind on the peak oil controversy in the Wall Street Journal aroused further criticism from the peak oil community. 1982 ISBN 0-394-71063-0; Random House new revised 3rd ed.

Yergin is the co-founder and chairman of Cambridge Energy Research Associates an energy research consultancy that is now part of IHS Inc. Daniel Howard Yergin (born February 6 1947) is a Pulitzer Prize winning American author speaker and economic researcher.