Alternative Energy Sources Beyond Oil and Gas: The Methanol Economy**
نویسنده
چکیده
Oil and natural gas together with coal, the main fossil fuels, not only remain our major energy sources but they are also the feedstocks for a great variety of manmade materials and products that range from gasoline and diesel oil to varied petrochemical and chemical products, including synthetic materials, plastics, and pharmaceuticals. What nature gave us as a gift, formed over the course of eons, is being used up rather rapidly. Fossil fuels continue to be significantly depleted and will become increasingly costly. Thus we need to search for new sources and solutions. All fossil fuels are mixtures of hydrocarbons, which contain varying ratios of carbon and hydrogen. Upon their combustion, they are irreversibly used up: carbon is converted into carbon dioxide and hydrogen into water. On a related note, the increase of the CO2 content of the atmosphere is considered a major manmade cause of global warming.
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تاریخ انتشار 2005