Nuclear, Coal, Natural Gas, And Solar

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Nuclear, coal, natural gas, and solar. These four are known for being the major sources of energy. All have pros and cons that are pretty much well known. Solar is renewable but expensive. Natural gas is cheap but damages the environment. Nuclear has a large power generating capacity but is dangerous and coal abundant and cheap but is just too dirty. What if there was a fifth type of fuel? A so called “invisible fuel.” The cheapest and cleanest energy choice that is often over looked, efficiency. An article in The Economist by Chris Madden reviews and discusses this “invisible fuel” at length. The article begins by discussing the strives that have been made regarding efficiency since the 1970’s but mentions that there is still significant improvements that can be made. It mentions a report by the American Energy-Efficiency Group that reviews the cost of saving a kilowatt hour vs the cost of producing a kilowatt hour. The report states that in some cases saving a kilowatt hour can cost as low as one-sixth of a cent. According to the article, the single largest chunk of energy consumption is in the heating and cooling of buildings. This amounts to 31% of total final energy consumption. It mentions a man named “Mr. Liebreich” who had difficulty findings builders who were skilled in energy savings techniques. He had to follow them around to ensure they were properly taping the insulating boards and follow other energy saving techniques. Mr. Liebreich is not
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