Though considered a promising large-scale energy storage device, the vanadium redox battery's use has been limited by its inability to work well in a wide range of temperatures and its high cost. But new research indicates ...
Energy & Green Tech
Mar 17, 2011
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When combined with on-Oahu wind farms and solar energy, the Interisland Wind project planned to bring 400 megawatts (MW) of wind power from Molokai and Lanai to Oahu could reliably supply more than 25% of Oahu's projected ...
Energy & Green Tech
Mar 17, 2011
10
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Wind turbines have a problem: Depending on the wind's force, the rotational speed of the turbine and thus of the generator changes. However, alternating current must be fed into the grid with precisely 50 (or 60) hertz. Typically ...
Energy & Green Tech
Feb 23, 2011
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(PhysOrg.com) -- Score some points for the green set this week! In Australia a wind-powered car has completed a roughly three-week, 3,100 mile test ride.
President Nicolas Sarkozy said Tuesday France was seeking bidders for a 10-billion euro (13.6 billion dollar) contract to build the country's first offshore wind-power facilities.
Energy & Green Tech
Jan 25, 2011
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Meteorological equipment typically used to monitor storms could help power grid operators know when to expect winds that will send turbine blades spinning, as well as help them avoid the sudden stress that spinning turbines ...
Energy & Green Tech
Dec 20, 2010
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South Korea Wednesday unveiled a five-year plan to spend 36 billion dollars developing renewable energy as its next economic growth engine.
Energy & Green Tech
Oct 13, 2010
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Wind power could meet about a fifth of the world's electricity demand within 20 years, an industry group and environmental watchdog Greenpeace predicted in a new report released on Tuesday.
Energy & Green Tech
Oct 12, 2010
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One of the world's biggest offshore wind farms opened Tuesday in southeastern Denmark, its operator, German power giant E.ON, said.
Energy & Green Tech
Oct 12, 2010
1
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(AP) -- Wind, solar and other clean energy technologies produce jobs and are essential for the country's environment and economy, President Barack Obama said in promoting his administration's efforts.
Hi Tech & Innovation
Oct 2, 2010
11
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