This APEC Energy Demand and Supply Outlook (APEC Energy Outlook 2002") is the second outlook by the Asia Pacific Energy Research Centre since 1998. During the past four years there have been many policy developments and market evolutions in the energy sector in the APEC region, as well as in the world as a whole. More recently, perceptions of global economic development have been affected by the events of September 11th, and a sense of uncertainty prevails.