Energy

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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European Union can halve its emissions by 2030

Here is another Cleantechies article I wrote on how the European Union could achieve greenhouse gase emissions cuts of 50 percent by 2030. Here is the introduction : ” According to a brand new study carried out by consultancy Ecofys and commissioned by the WWF, the European Union can halve its greenhouse gases emissions by

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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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Turning urine into electricity

I recently wrote a post on how we could turn urine and feces into energy thanks to the Bill and Melinda Gates Foundation. I also wrote about some similar efforts that are being done in Singapore. Now, according to Grist and Ecogeek, four African teenage girls created a generator that runs on pee, turning one

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Solar is already cheaper than coal

Solar energy may already cheaper than coal, at least for New Mexico, USA. To Bloomberg : ” First Solar, the world’s largest maker of thin-film solar panels, may sell electricity at a lower rate than new coal plants earn. “ ” El Paso Electric Co. agreed to buy power from First Solar’s the 50-megawatt Macho

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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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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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A $370 billion idea for European buildings

Here we go again with a brand new article on Cleantechies. This time, we focus on one of my favorite topics : insulating buildings with a new study on the very matter. Here is the introduction : ” According to a new study presented by the Renovate Europe Campaign, weatherizing European buildings in an important

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EPR costs : a blow to the nuclear renaissance

I have to say that I now have mixed feelings about nuclear. Since I wrote and published my 10 reasons to support nuclear – by far my most popular post on this blog – the catastrophe at Fukushima took place. Now the main French utility – Electricité de France, aka EDF – announced that its

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