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Solar Home Tour Promotes Clean Energy Alternative
家用太阳能促使净能的使用
Last year solar energy surpassed wind power as the fastest growing alternative energy source in the world. While solar products account for only a tiny fraction of the electricity produced in the United States, new federal legislation coupled with state programs are helping1 to promote growth in the industry.
Each year, thousands of Americans get a chance to explore solar alternative in the National Solar Tour. This year, energy efficient homes and buildings in hundreds of communities across the United States were open for public view.
Twenty-five years ago, Michael and Virginia Spevak built a new home on an empty lot in Washington. They wanted a house that got its energy from the sun. Mrs. Spevak says the open floor plan promotes natural heating and cooling.
Mrs. Spevak: The floor is dark quarry2 tile, which helps absorb the heat from the sun in the winter, and it reflects back into the house at night. The walls are light colored, which helps reflect light, so we don't need as many lights on. The windows are mostly on the south and there is a two-foot (610 millimeter) overhang so that when the sun is high in the sky in the summer the house is shaded by the overhang in the winter the sun is coming.
Other features include bookcases and quilts against the walls to provide added insulation3. The Spevaks also have a solar water heater and they recently purchased photovoltaic panels for their roof. The house is connected to the local electric grid4, but the family gets a credit from the power company for the energy they produce.
Mrs. Spevak says the house has been good to the environment and to their pocketbook.
Mrs. Spevak: The hot water clearly has paid for itself probably two or three times over by now. And, the photovoltaics we didn't really expect to get the payback, but we decided5 that it was worth it to decrease the carbon dioxide and all the other things that it would be worth it.
Mrs. Spevak says their commitment to energy efficiency has not meant a major change in their life-style.
Mrs. Spevak: You have a lot of choices when you try and have a more energy efficient house. You can have a house that basically does everything itself and you don't even know that you have a house any different from any other house. We decided that we didn't mind doing a few simple things, and so our house even if we did nothing and someone moved into this house they could do fine without doing anything and it would be more energy efficient than most houses, but there are things that you can do to make it work even better.
Close to 90 visitors toured the Spevaks' home on the 2005 Solar Home Tour. Many -- drawn6 by rising home heating and cooling bills -- wanted to see the energy saving technologies in action.
While the Spevak house is the exception rather than the rule among American homes, some state and local jurisdictions8 offer grants and tax incentives9 to homeowners for the purchase of renewable or energy-efficient products. More than 20 states require utility companies to get a portion of their electricity from renewable sources.
But Peter Lowenthal says that is not enough. He heads the Solar Energy Industries Association in Washington, a local sponsor of the 2005 Solar Home and Building Tour. While he applauds the solar tax credit in the new energy bill, he says the law falls short of what the solar industry needs to grow a market for its products.
Peter Lowenthal: Unfortunately the credit only lasts for two years. Of all the tax credits that were passed in the energy bill, unfortunately ours (the solar power industry) are short lived. So we have a significant battle to try to extend them for more than five years because for the business community to go into investing into developing the market and ramping10 up manufacturing and establishing dealer11 networks across the country is an expensive process and for a two-year window that is not a very good choice.
Mr. Lowenthal says greater price incentives and increased consumer awareness12 about energy-saving alternatives will help lower the nation's power bill and reduce its dependency on fossil fuels that pollute the environment.
I’m Rosanne Skirble.
注释:
fraction [5frAkFEn] n. 小部分
quarry tile 大铺地砖
quilt [kwilt] n. 棉被
insulation [7insju5leiFEn] n. 绝缘
photovoltaic [7fEutEuvCl5teiik] 光电的
jurisdiction7 [7dVuEris5dikFEn] n. 权限
dealer [5di:lE] n. 经销商
1 helping | |
n.食物的一份&adj.帮助人的,辅助的 | |
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2 quarry | |
n.采石场;v.采石;费力地找 | |
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3 insulation | |
n.隔离;绝缘;隔热 | |
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4 grid | |
n.高压输电线路网;地图坐标方格;格栅 | |
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5 decided | |
adj.决定了的,坚决的;明显的,明确的 | |
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6 drawn | |
v.拖,拉,拔出;adj.憔悴的,紧张的 | |
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7 jurisdiction | |
n.司法权,审判权,管辖权,控制权 | |
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8 jurisdictions | |
司法权( jurisdiction的名词复数 ); 裁判权; 管辖区域; 管辖范围 | |
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9 incentives | |
激励某人做某事的事物( incentive的名词复数 ); 刺激; 诱因; 动机 | |
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10 ramping | |
土堤斜坡( ramp的现在分词 ); 斜道; 斜路; (装车或上下飞机的)活动梯 | |
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11 dealer | |
n.商人,贩子 | |
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12 awareness | |
n.意识,觉悟,懂事,明智 | |
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