Gas
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Natural gas is a fossil fuel consisting primarily of methane. Both oil and gas are produced by the anaerobic decay of organic material under the surface of the earth. They are therefore often found together. In general, gas is generated at higher temperatures and deeper under the surface than oil. Both oil and gas can be extracted by drilling, they are lighter than water and they tend to rise from their sources when released from their underground pockets. Petroleum is mostly used for producing fuel, oil and petrol. Methane is a green house gas that contributes to the green house effect. The world’s largest gas fields are situated in Iran, Russia and Kazakhstan.
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Photo: Thomas Nilsen
rosatom
ST. PETERSBURG-A gas pipeline exploded and burst into flames outside of St. Petersburg, wisp,ru reported.
A major pipeline carrying natural gas toward Europe ruptured in Russia yesterday, sparking a fire, gas company and emergency officials said.
Finland demands more information about possible environmental impacts of the Nord Stream gas pipeline, which is to run through the Baltic Sea. Finnish authorities would also like to see changes in the pipeline's proposed route.