This is the fourth edition which contains data for over 100 non-OECD countries and regions, including developing countries and economies in transition, Central and Eastern European countries and the former USSR. It provides data on the supply and demand of coal, oil, gas, electricity, heat, combustible renewables and waste in an energy balance format, with figures expressed in million tonnes of oil equivalent. Historical tables summarise production, trade and consumption data and provide key energy and economic indicators. Each issue includes definitions of products and flows, explanatory notes on individual country data and conversion factors from original units to tonnes of oil equivalent.