Efficiency

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 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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RGGI logo

RGGI to cut emissions by 45 percent

The Regional Greenhouse Gas Initiative was started a few years ago to cut greenhouse gases emissions in nine Northeastern States in the USA. As I noted previously, it has been so far a great success. But it is ready for more. As the New York Times reports : ” The regional group proposed a 45

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Another great Obama speech on climate

Earlier this week, the newly reelected US President Barack Obama addressed the nation in the annual State of the Union address. It was the occasion for President Obama to keep his hard stance on climate on energy. His previous speech during his second inaugural address had been a new hope for climate change. I stated

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A cleantech revolution is taking place in the USA

I really enjoy infographics as they enable to gather a lot of information in a few moments. The latest I found via Twitter (see left) is on how a cleantech revolution is already taking place in the United States of America. Indeed, since 2007, energy efficiency, renewables like solar and wind (as well as natural

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A climate change to do list

Yesterday I published an lengthy article on how business leaders and elected representatives of the so-called ” developped countries ” are awakening slowly to the threat of climate change. While these are great news, we are still waiting for concrete actions that could actually have a chance to avoid catastrophes such as flooded cities, extreme

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Worth an article – my December 2012 tweets

Oops, I did it again ! I totally forgot to publish the selection of my best tweets of November. Luckily for you all, I just did, so please don’t hesitate to go and read this article. In today’s post you will find the informations on climate or environmental issues, sustainability and the world energy sector

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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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Start-stop systems are simple, yet brilliant

A great innovation I have seen on French cars recently is called Stop and start. Peugeot Citroen (PSA) started selling this anti-idling technology as early as 2006. The gains in urban driving are no less than ten percent… Indeed, thanks to start-stop systems, the internal combustion engine is automatically shut down while you are stuck

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