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Bloomberg NEF forecasts falling battery prices enabling surge in wind and solar to 50% of global generation by 2050

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The arrival of cheap battery storage will mean that it becomes increasingly possible to finesse the delivery of electricity from wind and solar, so that these technologies can help meet demand even when the wind isn’t blowing and the sun isn’t shining. trillion of that going to wind and solar and a further $1.5

Wind 220
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Pike Research survey finds erosion in US consumer support for clean energy since 2009; solar energy tops favorables, followed by wind, hybrid vehicles and EVs

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Percentage of consumers having extremely or very favorable views of 13 clean energy technologies, 2009-2011. Topping the favorables were solar power (77% in 2011, down from 81% in 2009); wind energy (71% in 2011, down from 79% in 2009); and hybrid vehicles (61% in 2011, down from 70% in 2009). Data: Pike Research.

2009 231
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Study Finds Wind Power Could Meet Chinas Entire Projected Power Demand for 2030

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A study by researchers at Harvard University and Tsinghua University shows that there is enough wind in China to generate electricity to supply the nation's entire projected demand for 2030 (about twice what is used now) at reasonable prices per kilowatt-hour. Nielsen, Yuxuan Wang (2009) Potential for Wind-Generated Electricity in China.

Wind 250
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EIA: US electricity generation from coal and natural gas both increased with summer heat

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In August 2012, coal produced 39% of US electricity, up from a low of 32% in April 2012, when the natural gas share of generation equaled that of coal. The August coal share of generation is still notably lower than the 50% annual average over the 1990-2010 period. Other plants use PRB coal transported by rail.

Coal 236
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Researchers Say Mix of Policies and Current or Near-Term Technologies Could Phase Out US CO2 Emissions from Coal-Fired Power Plants by 2030

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CO 2 emissions from US coal-fired power plant could be phased out entirely by 2030 using existing technologies or ones that could be commercially competitive with coal within about a decade, according to a paper published online 30 April in the ACS journal Environmental Science & Technology. Credit: ACS, Kharecha et al.

Coal 239
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Americans Using Less Energy Overall and Using More Renewable Energy Resources

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The United States used significantly less coal and petroleum in 2009 than in 2008, and significantly more wind power. The information is based on DOE/EIA-0384(2009), August 2010. hydro, wind and solar) in BTU-equivalent values by assuming a typical fossil fuel plant heat rate." quadrillion BTUs in 2008. 51 in 2008.

Energy 294
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EIA reports 5.8% year-to-year decline in US GHG emissions in 2009; 4.3% drop in transportation sector although vehicle miles travelled increased

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VMT rose slightly in 2009 while emissions from gasoline and diesel fuel declined, a result EIA attributes as a likely result of more efficient vehicles and increased consumption of biofuels. Total US greenhouse gas (GHG) emissions were 6,576 million metric tons carbon dioxide equivalent (MMTCO 2 e) in 2009, a decrease of 5.8%

2009 199