Coal reserves
One quarter of the world's coal reserves are found in the USA.
Coal energy
Coal was first used for energy around 1,000 BC in China.
Coal production
6,383 million metric tonnes of coal were produced worldwide in 2007.
Geothermal heating
Geothermal heating is used to heat 87% of homes in Iceland.
Geothermal power
The first Geothermal power plant in the United States was made in 1922 by John D. Grant at The Geysers Resort Hotel. After drilling for more steam, he was able to generate enough electricity to light the entire resort.
Oil production
The leading producers of oil in 2006 were Saudi Arabia, Russia and the USA, while the greatest consumers were the USA, China and Japan.
Primary energy
The greatest regional producer of primary energy* in 2005 was Asia & Oceania with 25% of production, followed by North America with 22%.
*The energy contained in a fuel before it is processed.
Fossil fuels
463 quadrillion (1015) BTU’s* of primary energy was consumed worldwide in 2005, of which 86% was generated by petroleum, coal and natural gas.
*A measurement of the energy in heat. It takes one British Thermal Unit of heat to warm one pound of water by 1° Fahrenheit.
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