Fact #102: October 18, 1999
World Fossil Fuel Potential
Although the world has consumed about one third of estimated conventional oil resources, the total fossil fuel potential is huge. Methane hydrates - a potential source of natural gas - are not shown in the graph below, but constitute the largest resource at 137.5 trillion barrels of oil equivalent.
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Source: H.H. Rogner, "An Assessment of World Hydrocarbon Resources," Annual Review of Energy and Environment, 1997, p. 249.