Largest Coal Exporters by Country
Countries with annual export higher than 10 million tonnes are shown. COUNTRY200720082009SHARE Australia268.5278.0288.526.5% Indonesia221.9228.2261.424.0% Russia112.2115.4130.912.0% Colombia74.574.775.76.9% South…
Largest Coal Importers by Country
Countries with annual import higher than 30 million tonnes are shown. COUNTRY2006200720082009SHARE Japan199.7209.0206.0182.117.5% China42.056.244.5151.914.5% South…
Types of Coal
As geological processes apply pressure to dead biotic material over time, under…
Coal Liquefaction Methods
Coal liquefaction is the process of producing synthetic liquid fuels from coal. The…
Refined Coal
Refined coal is the product of the application of a coal upgrading technology…
Environmental Effects of Coal Burning
There are a number of adverse health and environmental effects of coal…
Clean Coal Technology
Clean coal technology is an umbrella term used to describe technologies being developed…
Energy Density of Coal
The energy density of coal, i.e. its heating value, is roughly 24megajoules per…
Coal Gasification
Coal gasification is the process of producing coal gas, a type of syngas–a…


