Natural gas is one of the safest and cleanest fuels available. It emits less pollution than other fossil fuels.dioxide(二氧化碳)and water vapor-the same substances emitted when humans ex-hale.Compared with some other fossil fuels,natural gas emits the least amount of carbon dioxide in-to the air when combusted(燃烧)-making natural gas the cleanest burning fossil fuel of all.The industry also is subject to substantial federal regulation in the areas of production and distribution,which help ensure it is provided to consumers safely and cleanly.
The United States consumes about one-third of the worlds natural gas output,making it the lar-gest gas consuming region in the world.The U.S.Department of Energys Energy Information Ad-ministration forecasts that natural gas demand will grow by more than 50 percent by 2025.
There are huge reserves of natural gas beneath the earths surface.The largest reserves of natu-ral gas can be found in Russia,West and North Africa and the Middle East.LNG(液化天然气)has been produced domestically and imported in the United States for more than four decades.To-day,the leading importers of LNG are Japan,Korea,France and Spain.
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