Energy

Is it really about nuclear OR renewables ?

I recently wrote a lengthy comment to an article on CleanTechies. Since it took me some time to write, I think I might share it with you : I never understood people stating it’s either nuclear or renewables as to me we need both. Now I don’t understand the “false choice” of nuclear or fossil […]

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President Obama gets more serious on efficiency

CleanTechies often republishes blog posts from the Official White House blog. This enabled me to learn about a significant series of measures designed to help America cut its oil dependence and energy consumption. Indeed, new standards will enable future cars to cut their oil consumption (not by much though…). US households will also be able

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A look at deaths per TWh by energy source

With all the agitation around the Fukushima catastrophe, I thought it would be interesting to put some facts and figures on the dangerosity of  energy sources, including oil, coal, natural gas, some renewable energy sources and nuclear… The global death rate for coal is 161 per TWh (15 in the United States), 36 for oil,

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Iceland may help power Europe with geothermal

Despite its recent economic harshness, Iceland is rich as it is located on one of the world’s best geothermal hot spots. The potential is so large they are thinking about exporting electricity to neighboring European nations. As Ecogeek noted: “Iceland’s biggest utility, Landsvirkjun, has announced a plan to build the world’s longest undersea cable at

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Generating electricity 40 to 50 % more efficiently

It’s a well known fact, the production of electricity via traditional coal and natural gas burning plants and in a lesser way nuclear reactors is vastly inefficient. But this might change soon thanks to scientific research. To Ecogeek : ” Researchers (…) are developing a new gas turbine to increase the efficiency of conventional electrical

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Solar power plants face problems in California

During my daily hours of ride in the trains to go and come back from the job I read books but also newspapers. This allowed me to read a great article in the New York Times about an unexpected problem with solar power plants in California. ” Just weeks after regulators approved the last of

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Solar film increases efficiency by 300%

To CleanTechnica, a new film developed by HyperSolar, a Californian company, could halve the costs of solar panels and boost their efficiency by 300 percent. The film would replace the sheet of glass currently used with solar PV panels. “With HyperSolar as the top layer, manufacturers can use significantly fewer solar cells in the production

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Oil prices could reach $220 this year

If you think gasoline is too expensive, you haven’t seen anything yet… To the Wall Street Journal : ” Nomura Securities says that if Algeria joins Libya in the land of chaos, oil prices could shoot to $220 a barrel. That’s in a worst-case scenario.” “To back up that headline grabber, Nomura compares the current

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Book review : Factor five

We all know it : energy – and resource – efficiency is the panacea to all our energy and environmental woes. As I finished reading another excellent book on the very matter, I am sharing with you today the main findings. Factor Five is the sequel of the 1997-book Factor Four. It demonstrates how our

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