Cleantech

A renewable energy boom in Japan

In the wake of the tragic catastrophe and the nuclear incident that shook Japan in 2011, we have seen that the local government is willing to push renewable energy sources forward. Among them, solar energy and wind power. This has led to the installation of 1,12 GW of solar PV capacity in only nine months […]

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Teen boost efficiency of algae-based biofuels

What were you doing when you were 17-year old ? Sara Volz, A Colorado, USA, teen created a biofuel lab in her bedroom. Even better, she developed more efficient algae that produce higher oil content just by selecting them artificially. This is seen as an important boost to algae based biofuels. It was done with

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Graphene could bring solar PV efficiency to 60%

According to TreeHugger, graphene could offer 60% solar cell efficiency if it were to replace silicon in PV panels. As they note : ” Researchers from the Institute of Photonic Sciences in Spain have just published results from their experiments.” ” While their results so far will probably be more useful to make better image

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Global solar PV capacity reach 100 GW

According to Ecoseed (via Solar Feeds) : ” The cumulative solar photovoltaic capacity of the world crossed the 100-gigawatt milestone in 2012 (…) according to figures from the European Photovoltaic Industry Association. ” The solar association also noted that the world’s PV installations can now cut 53 million tons of greenhouse gas emissions a year. 

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Renewables cheaper than coal in Australia

Last week I was reporting that in New Mexico, solar is now cheaper than coal, something that analysts forecast would occur only in three or five years. I was wondering if this was an isolated event or the harbinger of a closer paradigm shift. Well, it seems that it is NOT an isolated event as

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Cleantech investments fell in 2012

According to Bloomberg New Energy Finance, investements in clean technologies fell by 11 percent in 2012 compared to their 2011 levels. They still amounted to 268.7 billion USD or over 200 billion euros. These news aren’t all that bad even if this decrease marks the end of a seeminlgy unstoppable increase but i has to

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Solar PV efficiency new record hit : 44%

To Treehugger : “ The National Renewable Energy Laboratory (NREL), and their industry partner Solar Junction, have just set the bar even higher in the race for ultra-high-effiency PV cells by achieving another world record of 44% efficiency. “ But wait, there is more as to another article solar PV panels could soon be 50

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Splitting water with solar power

This is a guest post from Mathias Aarre Maehlum, an environmentalist who studies energy engineering. In his spare time he works as a freelance writer. Read more of his stuff at Energy Informative. Researchers at Technion-Israel Institute of Technology have figured out a way to split water molecules (H2O) into hydrogen by using the sun.Hydrogen

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