Hitachi unveils motor without 'rare earths'
Japanese high-tech firm Hitachi Wednesday unveiled an electric motor that does not use "rare earths", aiming to cut costs and reduce dependence on imports of the scarce minerals from China.
Japanese high-tech firm Hitachi Wednesday unveiled an electric motor that does not use "rare earths", aiming to cut costs and reduce dependence on imports of the scarce minerals from China.
Engineering
Apr 11, 2012
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As the world moves toward greater use of low-carbon and zero-carbon energy sources, a possible bottleneck looms, according to a new MIT study: the supply of certain metals needed for key clean-energy technologies.
Environment
Apr 9, 2012
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Transmission system operators must assess precisely the supply of electricity from renewable energies for the next day in order to market this electricity on the European Power Exchange as effectively as possible. The sharply ...
Software
Apr 4, 2012
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(PhysOrg.com) -- Storing energy from wind farms and releasing that electricity on demand requires high-capacity, low-cost batteries; sodium-ion batteries could be part of the answer now, thanks to fundamental insights garnered ...
Materials Science
Apr 4, 2012
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If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not be a rare topic ...
Energy & Green Tech
Apr 3, 2012
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The State of Illinois is facing an important renewable energy deadline in 2025, and Northwestern University's Harold H. Kung has a piece of advice for Springfield to consider now: Investment Tax Credit.
Energy & Green Tech
Mar 29, 2012
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The head of the World Trade Organization on Friday played down a dispute over China's controls on exports of rare earth minerals, saying it was unlikely to escalate into a trade war.
Business
Mar 16, 2012
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French power giant EDF is owed 4.8 billion euros by the French state as part of an elaborate scheme to encourage investment in renewable energy, chief executive Henri Proglio said Wednesday.
Energy & Green Tech
Mar 14, 2012
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South Africa on Tuesday launched its first verified wind atlas which maps out potential hotspots as a tool for wind farm developers as the coal-hungry country pushes toward renewable energy.
Energy & Green Tech
Mar 13, 2012
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Spanish energy giant Iberdrola has completed one of the world's biggest wind farms in the US state of Ohio, which will produce more than 300 megawatts of power, it said on Monday.
Energy & Green Tech
Mar 5, 2012
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