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Posts Tagged ‘alternative energy’

We’re just a few years from the point at which electricity from solar panels becomes cheaper than electricity generated by burning coal. The progress in solar panels has been dramatic and sustained. Solar Is Getting Cheaper, but How Far Can It Go? Here Comes the Sun California Solar Industry Booming: Report Finds State’s Solar Capacity [...]

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Brazilian wind power now cheaper than natural gas Seventy-eight wind power projects won contracts in last week’s energy auctions held by Brazil’s National Electric Power Agency, totalling 1,928MW and priced at approximately 99.5 reals (£37.4) per MWh. By comparison, the average price for power generated with natural gas is currently 103 reals (£38.7) per MWh [...]

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Turning olive waste into “ecologically perfect” fuel. Olives are being looked at as a renewable energy source, since its wood produces 2.5 times more energy than others, the smoke it releases has no negative impact on neighbors or the environment, and the ash left can be used for fertilizing gardens.

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Surface area of the Earth required to power the world with zero carbon emissions, using solar power alone

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Humans harness bacteria

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High altitude wind machines could power New York City

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Researchers are reporting they have successfully made a high quality biodiesel from spent coffee grounds. They estimate that the coffee ground biodiesel industry could generate huge profits annually using waste from US Starbucks stores alone. http://gas2.org http://arstechnica.com

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Wind could provide 20% of the nation’s energy: ”This is the equivalent of taking 140 million cars off the road”

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More about wind power: For under 2 cents a day per household, Americans could get 300 gigawatts of wind by 2030. That would: Reduce carbon dioxide emissions from electricity generation by 25 percent in 2030. Reduce natural gas use by 11 percent. Reduce cumulative water consumption associated with electricity generation by 4 trillion gallons by 2030. Support roughly [...]

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