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It's been 75 days since Costa Rica's power grid last had a sip of petroleum. Thanks to heavy rainfall at the start of the year, the Central American nation has been able to provide 100 percent of its energy needs via renewable resources. This certainly represents a major milestone in green energy...

March 23rd 2015 at 4:28pm 0 Comments
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Why bother with risky battery-changing surgical operations when your own cardiovascular system can provide all the power your heart-shocking pacemaker will ever need? Engineers at Switzerland's University of Bern have been working on tiny turbines; turbines small enough, in fact, to fit inside a hum...

May 17th 2011 at 8:37am 0 Comments
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One of the Holy Grails of green power is hydroelectricity, and we've certainly seen our fair share of research in that department. The newest guy on the scene is called Oyster, a collaborative effort between Queen's University in Belfast and Aquamarine Power Limited that sees something called an Os...

March 9th 2009 at 10:49am 0 Comments
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San Francisco's been mulling this one over for some time now, but at long last, the city has taken a monumental step in turning nearby waves into energy. Mayor Gavin Newsom has stated that his city has just "submitted a preliminary permit application to the federal government to develop a wave powe...

March 2nd 2009 at 8:43am 0 Comments
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A twist on the idea of the underwater turbine, the Searaser also uses the motion of the ocean to generate power. The device consists of two independent floats that move with the waves, pumping out seawater as they do. The water can then be pumped inland for hydroelectric power, irrigation, or to hi...

November 19th 2008 at 10:42pm 0 Comments
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Never mind those ginormous dam-based hydroelectric generators -- we've got a much smaller version that you can actually use in your backyard. The Pico Hydroelectric Generator was installed within a 5-gallon bucket by Sam Redfield in order to convert the energy from "existing gravity fed irrigation,...

June 28th 2008 at 4:13pm 0 Comments
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Apparently, Marine Current Turbines is having quite the time trying to install what would be "the world's largest tidal power project," as the installation that was slated to begin Monday will now be lucky to see completion this year. Dubbed SeaGen, the project will reportedly utilize "twin underwat...

August 23rd 2007 at 2:38pm 0 Comments