Energy

Efficiency gains momentum, decrease emissions

Ever since I started to delve into energy and environmental issues, I have been advocating energy efficiency. It is the cheapest solution, and also the best one. This is why I have called it the panacea to all our energy and climate problems. It seems I wasn’t the only one to call for more efficiency […]

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United States on an energy conservation quest

President Obama is willing to save his country a lot of money : $40 billion, or around 30 billion euros, annually. These huge sums of money equal to reducing energy use in commercial buildings 20 percent by 2020. As Elisa Wood wrote on Cleantechies : ” To achieve the goal, the Obama administration in 2011

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A primer on our current energy predicament

Years ago I was often reading The Oil Drum, a great website dedicated to oil and other energy issues. Years later, the website still provides great content and I am glad to have read one of their latest posts : Our Energy Predicament in Charts. This post is an excellent introduction to energy issues for

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Portugal : Renewables supplied 70 percent of electricity

According to the Portuguese utility REN, renewable energies supplied a massive 70% of domestic consumption of electricity in the first quarter of 2013. As the press release notes, this is due to particularly favorable conditions. Hydro supplied 37 percent of the total while wind provided 27 percent. Last year, both energy sources only accounted for

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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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A solar installation

Solar reaches grid parity around the world

Solar PV is slowly but surely reaching grid parity around the world as it is now a reality in parts of the United States, India and some European countries.

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A Kickstarter success, the Nanolight

Do you know Kickstarter, the world’s largest funding platform more used to fund video games and other similar projects ? Well, one of its recent successes is the Nanolight, perhaps the world’s most efficient light bulb. Only consuming 12 W to offer the light of the traditional 100 W incandescent bulb, the Nanolight was developed

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