Natural gas Natural gas Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium. It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years. The energy that the plants originally obtained from the sun is stored in the form of chemical bonds in the gas. Natural gas is a fossil fuel used as a source of energy for heating,
Natural gas in Ukraine price. On 9 January 2014 Naftogaz and Russia's Gazprom signed a supplement to the Russian-Ukrainian gas contract, setting the price of natural gas for Ukraine in the first quarter of 2014 at $268.5 per 1,000 cubic meters. Ukraine remains the main transit route for Russian natural gas sold to Europe, which earns Ukraine about $3 billion a year in transit fees, making it the country’s most lucrative export service. Following Russia's launch of the Nord Stream pipeline, which bypasses Ukraine, gas transit volumes have been steadily decreasing. In 2004 more than 120 bcm of Russian gas was transported through Ukraine;