Naval Facilities Energy Initiatives manager goes ‘net zero’ on his home in D.C.

Knox-Backyard-Finsihed-Solar-Geo

The Knox home has geothermal loops buried under the backyard.

Andrew Know, manager of Naval Facilities Energy Initiatives, decided to go “net zero” on his home in Washington, D.C. What Knox got was a true zero-energy home, done right on a budget.

 

 

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Homes in Paris to be Heated by Underground Subway Station

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Green heating system to utilize waste heat from underground subway station to heat apartments.

Doesn’t it feel horrendously warm while waiting for a metro at the underground subway station? Well, the builders of a new housing estate in Paris have come up with a pioneering idea to utilize this waste heat to generate energy for a low-income housing building located above the metro station. The high temperature in the metro station is a result of the 100 watts of energy expelled by each passenger and heat produced by the moving trains.

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Tesla-Inspired Bladeless Wind Turbine Could Generate Power Comparable to Coal Power Plants

bladelesswin

The bladeless wind turbine (left), and  the stack of disks (right) which rotate and are connected to a shaft.

A bladeless wind turbine whose only rotating component is a turbine/driveshaft could generate power at a cost comparable to coal-fired power plants, according to its developers at Solar Aero. The New Hampshire-based company recently announced its patent on the Fuller wind turbine, which is an improvement on a patent issued to Nikola Tesla in 1913.

 

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Geothermal Energy Used in Oregon Town to Stay Warm

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Pipes of geothermal water can be installed under sidewalks and roads to keep them from icing over in winter, like this sidewalk in Klamath Falls, Oregon.

In southern Oregon, when snow falls on this downtown of brick buildings and glass storefronts, it piles up everywhere but the sidewalks. It’s the first sign that this timber and ranching town is like few others.  A combination of hot rocks and water like those that created Yellowstone’s geysers have been tapped by the city to keep the sidewalks toasty since the early 1990s. They also heat downtown buildings, kettles at a brewhouse, and greenhouses and keep the lights on at a college campus.

 

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1% Of Geothermal Energy Could Supply Power For 26,000 Years

1% Of Geothermal Energy Could Supply Power For 26,000 Years 

In case you weren’t aware, below the surface of the earth there’s a sea of insanely hot material that’s constantly swirling around. When tapped, that heat source can be used as geothermal power. With so much down there, why aren’t we using it more? That’s a question asked in Australia, where a study determined that a mere 1% of Australia’s geothermal power potential could provide the nation with a whopping 26,000 years of energy. The trick is getting it out.

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Geos, The First Fossil Fuel Free Community in America

Geos, The First Fossil Fuel Free Community in America 

A lot of people talk about being environmentally friendly, but most of them are all talk. They still drive cars, power their homes with non-renewable energy, and buy products that have large carbon footprints. Where are the people who are serious about living green?

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