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La tecnologia al servizio delle imprese e dei cittadini
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Rescooped by Mirco Mattarozzi from Technoculture
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Wind energy could surpass global power demand – with huge hurdles

Wind energy could surpass global power demand – with huge hurdles | L'impresa "mobile" | Scoop.it

Installing enough wind turbines to power the world may not be practical or even feasible, says author of new report.


Via Luca Baptista
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Rescooped by Mirco Mattarozzi from Solar Energy projects & Energy Efficiency
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Solar Impulse is planning its first transcontinental flight on May 2012

Solar Impulse is planning its first transcontinental flight on May 2012 | L'impresa "mobile" | Scoop.it

April 24, 2012 (in French)

L'avion expérimental solaire suisse Solar Impulse effectuera en mai son premier vol intercontinental de la Suisse vers le Maroc, soit une distance de 2500 km sans une goutte de carburant, a annoncé le président de l'Agence marocaine de l'énergie...


Via Pol Bacquet
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Rescooped by Mirco Mattarozzi from Solar Energy projects & Energy Efficiency
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Global investment in clean energy drops to lowest level in three years

Global investment in clean energy drops to lowest level in three years | L'impresa "mobile" | Scoop.it

April 13, 2012

After clocking up a record in 2011, new financial investment in clean energy in first quarter of 2012 was the weakest since the depths of the financial crisis in Q1 2009

Clean energy investment fell sharply in the first quarter of 2012, according to authoritative figures published today by research company Bloomberg New Energy Finance. New financial investment was down 28% from Q4 2011 to just $27bn; it was 22% lower than the equivalent figure in the first quarter of last year.


Via Pol Bacquet
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Rescooped by Mirco Mattarozzi from Solar Energy projects & Energy Efficiency
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US. Very High Efficiency Solar Cell under study by DARPA to reach 50%

US. Very High Efficiency Solar Cell under study by DARPA to reach 50% | L'impresa "mobile" | Scoop.it

DARPA’s Very High Efficiency Solar Cell (VHESC) program targets the development of photovoltaic devices with efficiencies significantly greater than those found today.
“Today’s top-of-the-line/state-of-the-art silicon solar cells are about 20 percent efficient”

The more common stuff that you will buy at large scale is between 14 and 15 percent. And what they call ‘low-cost’ solar cells – so-called ‘thin-film’ solar cells – are typically around 10 percent.

VHESC program is pursuing the development of 50 percent efficient solar-cell modules for near-term application as a battery charging module in tactical electronic devices.


Via Pol Bacquet
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Blackle vs. Google Monitor Power Consumption Tested

Blackle vs. Google Monitor Power Consumption Tested | L'impresa "mobile" | Scoop.it

Is the search page, Blackle.com, really an energy efficient alternative to Google? The theory is websites with black background save energy. PCSTATS finds out if this is a blatant green washing, or an earnest energy saving tweak for something we use every day.


Via Luca Baptista
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