Diverse_e_Coli

Researchers produce propane using E.coli bacteria

Sunday, October 19, 2014

A team of scientists has transformed E.coli bacteria into a propane factory. In their Nature magazine article, researchers from the University of Turku (Finland) and Imperial College (United Kingdom) described a new metabolic pathway for producing propane from Escherichia coli (E.coli). In “normal” E.coli, a biological process exists that turns fatty acids into cell membranes. In their... 

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Researchers produce propane using E.coli bacteria

Diverse_e_Coli

A team of scientists has transformed E.coli bacteria into a propane factory. In their Nature magazine article, researchers from the University of Turku (Finland) and Imperial College (United Kingdom) described a new metabolic pathway for producing propane from Escherichia coli (E.coli). In “normal” E.coli, a biological process exists that turns fatty acids into cell membranes. In their... Read More

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Construction begins in Texas on world’s largest carbon capture facility

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Carbon Capture and Sequestration (CCS) could be a key technology option in reducing carbon dioxide emissions from the world’s fossil fuel power plants. But, the technology has become better known for its setbacks than successes in recent years. This summer revealed a glimmer of hope for CCS supporters as the U.S. Department of Energy (DOE)announced that construction has begun on the world’s largest... Read More

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Photo Friday: The GoldenEye Dam (Switzerland)

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The 220m tall Contra Dam* was build in the early 1960s and forms part of the Verzasca Hydroelectric Complex in Ticino, Southern Switzerland. This three turbine hydroelectric power plant played a starring role in GoldenEye, where James Bond is shown jumping from the top of this dam (as many bungee jumpers still do today). Photo Credit: Photo titled “The GoldenEye Dam” by Dr. James Paskins... Read More

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The Shale Boom is Big and Good (Bad) for the Economy

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Hydraulic fracturing (“fracking”) has flipped the global energy discussion on its head. Over the past five years, the world has watched the U.S. shift its focus from fears of peak oil and its level of oil imports to a new reality where domestic oil and gas production are up and imports are down. And, while global greenhouse gas emissions have continued to increase, U.S. emissions have now... Read More

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Clean Power Plan includes focus on climate, health, and security

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On Monday, the U.S. Environmental Protection Agency (EPA) officially released their highly anticipated rule for carbon emissions reductions in existing power plants. The numerous statements released by the EPA and White House revealed three themes – climate change, public health, and energy security. According to the EPA’s announcement: “At the direction of President Obama and after... Read More

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Photo Friday: Titan supercomputer looks at cold weather wind

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Much of the world’s best wind resources lie in colder climates that can prove challenging for current wind turbine designs. This visualization is from research at Oak Ridge National Laboratory, where researchers are simulating the freezing of water droplets in order to help them in developing advanced wind turbines for cold climates. The team uses Titan – one of the world’s largest... Read More

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New Greenhouse Gas Rule Will Benefit Both Climate and Health

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Earlier this year, President Obama is announced a major step in U.S. carbon regulation. Using executive authority, the President will issue a new rule to limit carbon dioxide emissions from coal-fired power plants in the United States. This ruling could have many other benefits, including reducing soot, smog, and early-deaths due to repiratory and other illnesses. According to the President, “[in] just... Read More

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Transportation changes quickly cleaned up the air – now what?

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In March, air pollution in northern France reached dangerous levels and resulted in a strong government response. Public transportation fees were removed and cars were partially banned from the roads. This month, as data are released by Airparif, one can see that this response led to a drop in Paris road traffic of 18% and 6-30% drop in air pollution levels. The majority (51%) of overall particulate... Read More

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Photo Friday: The Edison Advertising Program (1939)

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“The Edison Company documented itself from the first. At the turn of the twentieth century, Benjamin F. Pearson, Edison’s General Superintendent, came back from an excursion to Germany with a state-of-the art camera lens and the intention of making pictures of every Edison facility. He enlisted G. Haven Bishop, an energetic young draftsman then working in the field counting utility poles,... Read More

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Corn-waste biofuels might be worse than gasoline in the short term

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Biofuels made using corn waste could release 7 percent more greenhouse gases in the early years compared to conventional gasoline. As a result, this type of cellulosic ethanol could be inelligible to meet quotas under the 2007 Energy Independence and Security Act (EISA). According to a new study published yesterday in Nature Climate Change, this type of cellulosic biofuel could result in a 7% net increase... Read More