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Study suggests arrays of closely-spaced counter-rotating vertical-axis wind turbines could enhance power density of wind farms by up to an order of magnitude

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Dabiri suggests using optimized arrays of smaller vertical-axis wind turbines to increase the power density and reduce the cost, and visual, acoustic, radar and environmental impacts, of wind farms using giant horizontal-axis turbines. Source: Dabiri 2010. Wind turbines whose airfoil blades rotate around a vertical axis (i.e.

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EIA: world energy consumption to grow 56% 2010-2040, CO2 up 46%; use of liquid fuels in transportation up 38%

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World energy consumption by fuel type, 2010-2040. The US Energy Information Administration’s (EIA’s) International Energy Outlook 2013 (IEO2013) projects that world energy consumption will grow by 56% between 2010 and 2040, from 524 quadrillion British thermal units (Btu) to 820 quadrillion Btu. Source: IEO2013.

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EIA reports a 3.9% increase in US energy-related carbon dioxide emissions in 2010

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Factors contributing to the growth in energy-related CO 2 emissions in 2010. US carbon dioxide emissions from the consumption of fossil fuels were 5,638 million metric tons carbon dioxide (MMTCO 2 ) in 2010, an increase of 3.9% Consumption of coal, the most carbon-intensive fossil fuel, rose by 6% in 2010 after falling by 12% in 2009.

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Pew: global clean energy investment reached record $243B in 2010

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2010 investment by country and sector. Global clean energy finance and investment grew significantly in 2010 to $243 billion, a 30% increase from the previous year. billion in investments in 2010 represents a 39% increase from 2009. Wind power continued to be the favored technology for investors at $95 billion.

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GM leads in clean-energy US patents in 2010

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The Clean Energy Patent Growth Index tracks the granting of US patents in solar, wind, hybrid/electric vehicles, fuel cells, hydroelectric, tidal/wave, geothermal, biomass/biofuels and clean, renewable energy. GM received 940 US patents in 2010, placing it in the top 25 of all companies.

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East Anglia Offshore Wind, Ltd. To Develop 7.2GW Wind Farm For UK

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East Anglia Offshore Wind Ltd., gigawatt wind farm off the eastern coast of the United Kingdom. Vattenfall already owns the 90MW Kentish Flats wind farm off Herne Bay, Kent, and expects to complete the Thanet offshore wind farm, a 300 MW array comprised of 100 3MW Vestas V90 wind turbines, sometime this year.

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US Departments of Energy and Interior unveil national offshore wind strategy and major offshore wind initiatives

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Unveiling a coordinated strategic plan to accelerate the development of offshore wind energy, Secretary of the Interior Ken Salazar and Secretary of Energy Steven Chu announced steps forward in support of offshore wind energy in the United States, including new funding opportunities for up to $50.5 Next-Generation Drivetrain (up to $7.5

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