Google on Tuesday said it is investing $55 million into a California wind energy farm, raising to $400 million the amount of money the technology giant has pumped into clean energy projects.
Energy & Green Tech
May 24, 2011
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A new Siemens gas turbine operated in a combined cycle with a steam turbine in Irsching, Bavaria, has set a world record for efficiency, making it an outstanding example of green technology. The net efficiency of 60.75 percent ...
Energy & Green Tech
May 24, 2011
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(AP) -- Wind power companies facing a springtime shutdown to accommodate a surge of hydropower in the Northwest said Tuesday the region's main power manager has a conflict of interest, using authority over transmission lines ...
Energy & Green Tech
May 18, 2011
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(AP) -- The manager of most of the electricity in the Pacific Northwest is running such a surplus of power from hydroelectric dams that it put wind farms on notice Friday that they may be shut down as early as this weekend.
Energy & Green Tech
May 14, 2011
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(PhysOrg.com) -- While an upcoming Electric Vehicle Grand Prix may reflect a growing popularity of electric vehicles, their widespread adoption will require innovations to the power grid, say researchers at Purdue University.
Energy & Green Tech
Apr 22, 2011
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The present largest wind turbines have a capacity of 5-6 MW. Following five years of research at the joint European project UpWind, led by Risoe National Laboratory for Sustainable Energy, the Technical University of Denmark ...
Energy & Green Tech
Apr 15, 2011
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A flexible, controllable trailing edge for wind turbine blades has shown that it can reduce the loads on the turbine and in the end provide cheaper electricity from wind power.
Engineering
Apr 7, 2011
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In the future, the growing amounts of solar and wind energy will need to be stored for dark or low-wind periods. One solution is redox flow batteries that can supply current for up to 2000 households. Several Fraunhofer Institutes ...
Energy & Green Tech
Apr 1, 2011
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Wind power became Spain's main source of electricity for the first time ever this month, in a country renowned for its focus on renewable energy, the power-generating authority REE said Thursday.
Energy & Green Tech
Mar 31, 2011
3
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(AP) -- China said Thursday it will increase this year's production quota for rare earths but gave no sign it might reverse plans to cut exports of the exotic metals needed by high-tech industry.
Business
Mar 31, 2011
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