Global

جرمنی: دنیا کا سب سے چھوٹا سٹیم انجن

Posted on December 15, 2011. Filed under: Global |

آخری وقت اشاعت:  منگل 13 دسمبر 2011 ,‭ 13:52 GMT 18:52 PST

جرمنی میں سائنسدانوں نے دنیا کا سب سے چھوٹا سٹیم (بھاپ) سے چلنے والا انجن بنانے کا دعویٰ کیا ہے۔

خوردبینی جسامت کا یہ ماڈل رابرٹ سٹرلنگ کے ایک سو پچانوے سال پرانے ڈیزائن کے طرز پر بنایا گیا ہے۔

اس ماڈل میں پسٹنز کی جگہ لیزر کا استعمال کیا گیا ہے۔

سائنسدانوں نے یہ تحقیق یونیورسٹی آف سٹٹگارڈ کے میکس پلینک انسٹیٹیوٹ فار انٹلیجنٹ سسٹمز میں کی اور نیچر فزکس نامی جریدے میں شائع ہوئی ہے۔

سائنسدانوں کا کہنا تھا کہ وہ اس بات پر حیران ہیں کہ یہ انجن کس قدر مؤثر طریقے سے حرارت کو قابلِ استعمال طاقت میں تبدیل کرتا ہے۔ لیکن ان کا یہ بھی کہنا تھا کہ اس انجن کا چلنا ہموار نہیں ہے اور اس وقت اس انجن کا کوئی کارآمد استعمال نہیں ہے۔

روایتی سٹرلینگ انجن میں ایک گیس کا سلنڈر استعمال ہوتا ہے جس کے ایک حصے کو گرم اور دوسرے حصے کو ٹھنڈا کیا جاتا ہے۔گیس کے گرم ہو کر پھیلنے اور ٹھنڈی ہو کر سکڑنے کی مدد سے سلنڈر سے منسلک دو پسٹنز کو چلایا جاتا ہے۔

پروفیسر کلیمنز نے بی بی سی کو بتایا ’ہم یہ سمجھنا چاہتے تھے کہ یہ بنیادی طور پر کیسے کام کرتا ہے اور کیا یہ خوردبینی حد تک چھوٹے آلات میں کام کرتا بھی ہے یا نہیں ۔آج کل ہر کوئی الیکڑانک اور مکینیکل آلات کو چھوٹے سے چھوٹا کر رہا ہے تو ہم نے سوچا کیوں نہ اس اصول کی خوردبینی سطح پر تحقیقات کی جائیں۔‘

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China’s ‘solar city’ rushes to catch power boom

Posted on June 23, 2011. Filed under: Alternative, Global, Solar |

BAODING (China): Solar panels jut out of streetlights in China’s self-proclaimed Clean Energy City. Tiny wind turbines twirl atop public buildings. Schools are due to teach students about “green living.” In the scramble to profit from demand for clean energy, this city southwest of Beijing is promoting itself as a manufacturing centre for solar, wind and other gear by transforming into a living showcase of environmental technology.

“Baoding is following a path of ecological civilisation,” a deputy mayor, Zhou Xingshi, told a group of visiting reporters.

Baoding illustrates the intensity of Chinese government efforts to profit from rising global demand for clean energy. Communist leaders are promoting solar, wind and hydropower to curb surging demand for imported oil and gas and see technology exports as a route to cleaner growth and higher-paid jobs.

Chinese utility companies are required to install wind turbines and Beijing has promised to pay part of the cost of solar equipment — a strategy that is driving the rapid growth of Baoding and other supply centres.

China led the world in clean energy investment last year at $54.4 billion, up 39 per cent from 2009, according to a March report by the Pew Charitable Trust. Worldwide, investment rose 30 per cent to $243 billion.

Baoding, 90 miles from the Chinese capital in the table-flat farmland of Hebei province, started billing itself as a renewable energy centre in 2002 after the success of Yingli Green Energy Co, a local startup founded in 1987 that grew into a major supplier of solar panels. City leaders officially declared Baoding a “Clean Energy City” in 2006.

Today, Baoding has two government research labs and 170 companies that produce clean power equipment. They include Zhonghang Huiteng Windpower Equipment Co, one of the biggest makers of wind turbine blades. Other fields targeted by Baoding for development include batteries and power transmission.

Baoding’s clean energy companies had 45 billion yuan ($7bn) in revenue last year, according to the city government. It says the local industry should grow by 30 per cent a year through 2016.

Local authorities work closely with companies, organizing job fairs, providing training and helping to recruit employees through local schools.

Companies also are attracted by Baoding’s “funding resources,” said Lian Shujun, deputy director of the Baoding National New and High-Tech Industrial Development Zone.

Lian gave no details but Chinese companies in favoured industries can receive government support ranging from tax breaks and low-interest loans to free rent in business parks.

Such support has prompted complaints by Beijing’s trading partners that the government is improperly subsidising Chinese companies and hampering market access. The US government said this month Beijing agreed to rescind some policies that American officials said amounted to subsidies to makers of wind turbines.

China already is the world’s biggest producer of solar and wind equipment. Yingli and other Chinese solar suppliers have long competed in global markets because their equipment was too expensive for domestic use. Chinese makers of wind gear are only starting to expand abroad but some domestic producers already are among the world’s biggest due to their vast home market.

The Chinese government says it wants at least 15 per cent of the country’s power to come from renewable sources by 2020. It is spending heavily on grants and other aid to propel technology development.

“The Chinese government is very supportive of the green market,” said Liansheng Miao, Yingli’s founder and chairman.

In a sign of high-level endorsement, Yingli received a 36 billion yuan ($5.5 billion) line of credit last year from state-owned China Development Bank.

Miao rejected what he said was the notion that Yingli, a private company with shares traded on the New York Stock Exchange, succeeds due to government support.

“I am an entrepreneur, not a state-owned entity, so the government would not help me,” he said at a news conference. “What we compete on is our innovation and cost structure.” Yingli’s CFO, Li Zongwei, said it has yet to receive any money from the China Development Bank and will have to submit individual projects to obtain loans. Li said such projects are conducted on “commercial terms.” Other companies in Baoding say business is booming.

A wind turbine factory owned by China Guodian Corp, one of China’s biggest power generators, expects to sell 1,100 units this year, nearly double 2009’s level of 600, said the factory’s deputy general manager, Wang Hongbin.

Wang said all of his factory’s output of 1.5-megawatt turbines was sold in China, but Guodian also has announced plans to expand to the United States by supplying units for a power project in Corpus Christi, Texas.—AP

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Energy links may reshape South Asia

Posted on June 20, 2011. Filed under: Global |

SOME of the confidence displayed by the senior Indian leaders about the country’s economic future has begun to dissipate.

In his budget speech in 2010, Pranab Mukherjee, the current finance minister, had predicted that the country was headed towards double digit rates of GDP growth.

The revised growth numbers for the first quarter of the current financial year suggest a much lower rate of growth – of about 7.6 per cent on an annualised basis.

There are several reasons for this decline in expectation of the country’s future economic performance, some of them shared by other countries of the South Asian region. Inflation — in particular food inflation — has begun to take a heavy economic toll.

Large scale corruption has undermined the confidence of the citizenry in the quality of governance offered by the governments that hold the reins of power in South Asia. And, there are serious shortages of energy that inhibit investments in the economies. There is some indication that the South Asians may be on the way to find ing regional solutions to the problem of energy deficiency.

At the time of independence, the electric systems of the countries of mainland South Asia were connected with one another, albeit in a low technology way. For instance, a significant share of power used by Lahore came from a power station that was located in the part of the Punjab that went to the share of India.This link was severed soon after the two countries gained independence. Since then the power systems have not been linked. There have been some discussions but without much progress of connecting the much more elaborate grid systems in Bangladesh, India and Pakistan.

At one point when Pakistan had a surplus of energy, a number of power stations were commissioned by the private sector, there was some talk of exporting the surplus power to India. This could have been done only if the grid systems of the countries were connected. The proposal did not go very far as within a few years Pakistan had gone from being a surplus to a power-deficit situation.

The recognition that without regional integration, South Asia will not be able to realise its economic potential has been slow in coming.

If there is a lesson to be learned from experiences around the globe, it is the largest economy in the area that has to play a leading role in bringing about greater economic integration.

This was the case in Europe when the initiative to move towards greater economic cooperation was taken by the area’s largest economies, France and Germany. In the North America Free Trade Area, the United States took the lead. In the Association of South East Asian Nations, ASEAN, Indonesia, by far the largest country in the region, decided not to throw its weight in moving forward the arrangement.

India, South Asia’s anchor economy and also by far the most rapidly growing economy in the region, has been reluctant to take the lead. In fact, it was Bangladesh that was behind the initiative to create the South Asian Association for Regional Cooperation (Saarc) The Indian insistence that the goals set out in the Saarccharter should be relatively modest has kept this initiative from developing a momentum.

Politics, rather than economics, was the reason why the South Asian region remains poorly integrated. That may be changing with the sector of energy taking the lead. According to a study carried out by USAID with the help of the Confederation of Indian Industry only nine per cent of the hydropower potential of South Asia has been tapped. Coal and water are the two most important sources of power in South Asia followed by natural gas. But India and Nepal are making some progress in developing plans that would result in providing benefits to both countries from the tremendous hydroelectricity potential of the fast flowing rivers and streams that originate in the Himalayas.

India will need to add 250,000 megawatts of power to its current capacity by 2017, a five-fold increase to sustain its economic growth. According to the AI study, “a South Asia grid will give the region 100,000 megawatts of power to trade and help India tap the hydropower and natural gas reserves of its neighbours.” There are several projects at the planning stage. The most advanced is a 87 miles inter-country grid to be built to initially supply Indian power to its neighbour, Nepal. In return Nepal will construct power plants that will tap into its enormous hydro potential and supply the surplus power to India over the same grid. By 2019, Nepal will harness about 3,000 megawatts of power and will export most of it to India. Another project — but at an early stage of development — is a $450 million undersea power transmission link between India and Sri Lanka.

Among the projects that have gone beyond the planning stage is the New Silk Route that will bring natural gas to Pakistan and India from Turkmenistan. This promises to supply 3.17 billion cubic feet of natural gas daily to the energy starved nations of South Asia. The project being developed with the help of the ADB will cost $7.6 billion and could be completed by 2016. Fuel prices, transit fees, and gas sales and purchases are being negotiated.

According to one assessment, “discussions have faltered many times in the past decade, and many issues remain unsettled. Officials in the region also worry about how to ensure against supply disruptions in the event of political hostilities between India and Pakistan.” More or less the same applies to another multi-country gas pipeline – this one will connect Iran with Pakistan and India. Negotiations for concluding this deal have gone on for years but remain inclusive. Added problem is the pressure by the US is putting on both Pakistan and India not to go forward with this project.

While Pakistan has successfully resisted this pressure, India has been less willing to defy the US. It is deeply engaged in working out the arrangements that will allow the flow of western nuclear technology to India.

Thawing of relations between Bangladesh and India after the return of power of the India-friendly Awami League in Dhaka may result in the building of a pipeline that would connect the two countries. Again, this is one of the projects that have been under discussion but politics rather than economics came in the way. Now that New Delhi has opened a line of cheap Indian credit that Dhaka could use, there is a possibility that the pipeline may get to be built.

Given all these projects now in discussion and planning stages, it would appear that gas pipelines connecting the countries of mainland South Asia may result in building confidence and lead to the development of connections in other energy areas. If that happens, the economies of the region may get to be better integrated.

Dawn.com

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Iran to connect N-plant to grid in August

Posted on June 20, 2011. Filed under: Global, Nuclear fuels |

Iran’s first nuclear power plant, built by Russia, is to be connected to the national grid in early August, the Iranian ambassador to Moscow, Reza Sajjadi, said in media reports on Sunday.

“Russian officials announced that they are ready to inaugurate the (Bushehr) plant and connect its electricity to the national grid in the first 10 days of August,” Sajjadi said, quoted by the English-language paper Iran Daily.

Sajjadi made the remarks after a meeting with officials of Russia’s nuclear export agency Rosatom, which has built and overseen the construction of the Bushehr plant in southern Iran, the paper said.

The ambassador said Russia’s energy minister, Sergei Shmatko, would attend the inauguration ceremony in Bushehr.

Iranian authorities are yet to set an official date for the plant’s connection to the national grid, originally scheduled for the end of 2010 but postponed several times due to a series of technical problems.

Iran’s nuclear chief, Fereydoon Abbasi Davani, said on June 9 that he could not set a “specific date” for the plant’s connection to the grid.

“The work (to make the plant operational) is empirical, difficulties may arise during the work, and it will take time to resolve them,” he said on state television.

“Thus, one cannot set a specific date for the inauguration.” The Bushehr plant was started up in November 2010 but repeated technical problems delayed its operation, leading to the removal of its fuel in March.

Russia has blamed the delays on Iran for forcing its engineers to work with outdated parts in the facility, while the latest delay in March was pinned on internal wear-and-tear at the plant.

Russian authorities said in early April that the refuelling operation began after the plant had been re-checked and its various pieces “washed through”.

The plant, which was officially inaugurated to great fanfare, was started again in early May, with Iranian media announcing it would be connected to the electricity grid in early July.

The construction of the plant started in the 1970s with the help of German company Siemens, which quit the project after the 1979 Islamic revolution over concerns about nuclear proliferation.

In 1994, Russia agreed to complete the plant and provide fuel for it, with the supply deal committing Iran to returning the spent fuel, amid Western concerns over the Islamic republic’s controversial uranium enrichment programme.—AFP

Dawn.com

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Aga Khan service wins green energy

Posted on June 17, 2011. Filed under: Alternative, Global, Green |

LONDON, June 16: A Pakistani firm that fits energy-saving devices in homes and two Indian companies which recycle waste products into sources of power were honoured on Thursday with major green energy awards.

They were three of the winners at this year’s Ashden Awards for Sustainable Energy, one of the world’s most prestigious green energy honours, each picking up $32,200 prize money at a ceremony here.

The Aga Khan Planning and Building Service was selected for helping families in mountain villages save energy and make their homes warmer through a range of locally-produced devices.

Carpenters and metal workers employed by the company make products including fuel-efficient stoves, water heaters and wall and floor insulation.

The British awards, which started in 2001, aim to encourage the greater use of local clean energy and to address climate change and alleviate poverty.

Ghanaian firm Toyola Energy won the top prize, the Gold Award, for its success in making stoves that burn less charcoal than traditional models and that are accessible to low-income families.

The Aga Khan Planning and Building Service and the Indian firms, Abellon CleanEnergy and Husk Power Systems, were among four other international winners.

“Our dream is a world where access to clean, affordable electricity and fuel can be enjoyed by the poor, transforming living standards, reducing CO2 emissions and easing the pressure on dwindling forests,” awards director Sarah Butler-Sloss said.

“The 2011 Ashden Award winners are making this vision a reality, and their potential for expansion and replication is high.” Abellon CleanEnergy, based in Gujarat state, was recognised for its business of producing biomass pellets from crop waste to fuel industries in the area.

As well as replacing traditional industrial fuels with a cleaner alternative, the business also gives farmers a market for waste products. Husk Power Systems, based in Bihar, was honoured for using a common waste product, rice husks, to produce electricity for remote villages in the area. The Ashden Awards judges said that the novel way of producing electricity provided a reliable supply and was cheaper than alternatives.—AFP

Dawn.com

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David Evans, Carbon Accounting Modeler, Says It’s a Scam

Posted on June 16, 2011. Filed under: Global |

Dr David Evans’ address to the Anti-Carbon-Tax rally, Perth Australia, 23 March 2011.

Good Morning Ladies and Gentlemen.

The debate about global warming has reached ridiculous proportions and is full of micro thin half-truths and misunderstandings. I am a scientist who was on the carbon gravy train, understands the evidence,  was once an alarmist, but am now a skeptic. Watching this issue unfold has been amusing but, lately, worrying. This issue is tearing society apart, making fools and liars out of our politicians.

Let’s set a few things straight.

The whole idea that carbon dioxide is the main cause of the recent global warming is based on a guess that was proved false by empirical evidence during the 1990s. But the gravy train was too big, with too many jobs, industries, trading profits, political careers, and the possibility of world government and total control riding on the outcome. So rather than admit they were wrong, the governments, and their tame climate scientists, now cheat and lie outrageously to maintain the fiction that carbon dioxide is a dangerous pollutant.

Let’s be perfectly clear. Carbon dioxide is a greenhouse gas, and other things being equal, the more carbon dioxide in the air, the warmer the planet. Every bit of carbon dioxide that we emit warms the planet. But the issue is not whether carbon dioxide warms the planet, but how much.

Most scientists, on both sides, also agree on how much a given increase in the level of carbon dioxide raises the planet’s temperature, if just the extra carbon dioxide is considered. These calculations come from laboratory experiments; the basic physics have been well known for a century.

The disagreement comes about what happens next.

The planet reacts to that extra carbon dioxide, which changes everything. Most critically, the extra warmth causes more water to evaporate from the oceans. But does the water hang around and increase the height of moist air in the atmosphere, or does it simply create more clouds and rain? Back in 1980, when the carbon dioxide theory started, no one knew. The alarmists guessed that it would increase the height of moist air around the planet, which would warm the planet even further, because the moist air is also a greenhouse gas.

This is the core idea of every official climate model: for each bit of warming due to carbon dioxide, they claim it ends up causing three bits of warming due to the extra moist air. The climate models amplify the carbon dioxide warming by a factor of three – so two thirds of their projected warming is due to extra moist air (and other factors), only one third is due to extra carbon dioxide.

I’ll bet you didn’t know that. Hardly anyone in the public does, but it’s the core of the issue. All the disagreements, lies, and misunderstanding spring from this. The alarmist case is based on this guess about moisture in the atmosphere, and there is simply no evidence for the amplification that is at the core of their alarmism. Which is why the alarmists keep so quiet about it and you’ve never heard of it before. And it tells you what a poor job the media have done in covering this issue.

Weather balloons had been measuring the atmosphere since the 1960s, many thousands of them every year. The climate models allpredict that as the planet warms, a hot-spot of moist air will develop over the tropics about 10km up, as the layer of moist air expands upwards into the cool dry air above. During the warming of the late 1970s, 80s, and 90s, the weather balloons found no hot-spot. None at all. Not even a small one. This evidence proves that the climate models are fundamentally flawed, that they greatly overestimate the temperature increases due to carbon dioxide.

This evidence first became clear around the mid 1990s.

At this point official “climate science” stopped being a science. You see, in science empirical evidence always trumps theory, no matter how much you are in love with the theory. If theory and evidence disagree, real scientists scrap the theory. But official climate science ignored the crucial weather balloon evidence, and other subsequent evidence that backs it up, and instead clung to their carbon dioxide theory — that just happens to keep them in well-paying jobs with lavish research grants, and gives great political power to their government masters.

There are now several independent pieces of evidence showing that the earth responds to the warming due to extra carbon dioxide bydampening the warming. Every long-lived natural system behaves this way, counteracting any disturbance, otherwise the system would be unstable. The climate system is no exception, and now we can prove it.

But the alarmists say the exact opposite, that the climate system amplifies any warming due to extra carbon dioxide, and is potentially unstable. Surprise surprise, their predictions of planetary temperature made in 1988 to the US Congress, and again in 1990, 1995, and 2001, have all proved much higher than reality.

They keep lowering the temperature increases they expect, from 0.30C per decade in 1990, to 0.20C per decade in 2001, and now 0.15C per decade – yet they have the gall to tell us “it’s worse than expected”. These people are not scientists. They over-estimate the temperature increases due to carbon dioxide, selectively deny evidence, and now they cheat and lie to conceal the truth.

One way they cheat is in the way they measure temperature.

The official thermometers are often located in the warm exhaust of air conditioning outlets, over hot tarmac at airports where they get blasts of hot air from jet engines, at wastewater plants where they get warmth from decomposing sewage, or in hot cities choked with cars and buildings. Global warming is measured in tenths of a degree, so any extra heating nudge is important. In the US, nearly 90% of official thermometers surveyed by volunteers violate official siting requirements that they not be too close to an artificial heating source. Nearly 90%! The photos of these thermometers are on the Internet; you can get to them via the corruption paper at my site,sciencespeak.com. Look at the photos, and you’ll never trust a government climate scientist again.

They place their thermometers in warm localities, and call the results “global” warming. Anyone can understand that this is cheating. They say that 2010 is the warmest recent year, but it was only the warmest at various airports, selected air conditioners, and certain car parks.

Global temperature is also measured by satellites, which measure nearly the whole planet 24/7without bias. The satellites say the hottest recent year was 1998, and that since 2001 the global temperature has leveled off.

So it’s a question of trust.

If it really is warming up as the government climate scientists say, why do they present only the surface thermometer results and not mention the satellite results? And why do they put their thermometers near artificial heating sources? This is so obviously a scam now.

So what is really going on with the climate?

The earth has been in a warming trend since the depth of the Little Ice Age around 1680. Human emissions of carbon dioxide were negligible before 1850 and have nearly all come after WWII, so human carbon dioxide cannot possibly have caused the trend. Within the trend, the Pacific Decadal Oscillation causes alternating global warming and cooling for 25 – 30 years at a go in each direction. We have just finished a warming phase, so expect mild global cooling for the next two decades.

We are now at an extraordinary juncture.

Official climate science, which is funded and directed entirely by government, promotes a theory that is based on a guess about moist air that is now a known falsehood. Governments gleefully accept their advice, because the only way to curb emissions are to impose taxes and extend government control over all energy use. And to curb emissions on a world scale might even lead to world government — how exciting for the political class!

A carbon tax?

Even if Australia stopped emitting all carbon dioxide tomorrow, completely shut up shop and went back to the stone age, according to the official government climate models it would be cooler in 2050 by about 0.015 degrees. But their models exaggerate tenfold – in fact our sacrifices would make the planet in 2050 a mere 0.0015 degrees cooler!

Sorry, but you’ve been had.

Finally, to those of you who still believe the planet is in danger from our carbon dioxide emissions: sorry, but you’ve been had. Yes carbon dioxide a cause of global warming, but it’s so minor it’s not worth doing much about.

————————————————————————————

http://joannenova.com.au/2011/03/david-evans-carbon-modeler-says-its-a-scam/

Dr David Evans consulted full-time for the Australian Greenhouse Office (now the Department of Climate Change) from 1999 to 2005, and part-time 2008 to 2010, modeling Australia’s carbon in plants, debris, mulch, soils, and forestry and agricultural products. Evans is a mathematician and engineer, with six university degrees including a PhD from Stanford University in electrical engineering. The area of human endeavor with the most experience and sophistication in dealing with feedbacks and analyzing complex systems is electrical engineering, and the most crucial and disputed aspects of understanding the climate system are the feedbacks. The evidence supporting the idea that CO2 emissions were the main cause of global warming reversed itself from 1998 to 2006, causing Evans to move from being a warmist to a skeptic.

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Biodiesel from food waste will soon available across UK

Posted on June 16, 2011. Filed under: Alternative, Global |

A green fuel firm,Greenergy which collaboration with Brocklesby Ltd developed a way to recover residual oil from food waste found in pasties, pies, crisps, etc. which will extracted and mixed with diesel to create biodiesel. The production of biodiesel will soon be on sale at all fuel stations in the UK.

The Greenergy can produces 10 billion litres of biodiesel and diesel annually. The company will invest £ 50 million to take advantage of waste oil snacks that are usually only going to landfills. Besides favorable for biodiesel, the company also will reduce the amount of waste.

Greenergy which has production facility in Immingham, Lincolnshire, planned to be capable of processing up to 30 percent of used oil from some processed foods. The company also will utilize more of solid food waste to biodiesel using anaerobic digestion, which its also plans to create a solid biomass fuel pellets (briquettes), or bio-ethanol to fuel cars using waste.

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Italy will add 7 GW of solar power on the grid next month

Posted on June 16, 2011. Filed under: Global, Solar |

Italy as the world’s second biggest solar market in 2010 will add 7,000 MW of its solar capacity by June this year. The addition of solar capacity of 2,300 MW in 2010 will be a new record for the biggest production in the middle of this year.

Government incentives for solar power will soon be over in June. The government hopes more people to make use of solar power system for their electricity need, so more solar capacity could be produced naturally in the coming months.

Italy government’s decree last year has approved the extension of generous incentives to the projects connected to the grid until the end of June 2011. The termination of the program aims to ease the burden on consumers who pay incentives for solar program in their electricity bills.

In the last year, about 200 MW of 4,000 MW turned operative in December 2010 and its expected about 3,000 MW of solar capacity will be connected in the end of Juni 2011.

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Solar aircraft managed to make an international flight for 13 hours non-stop

Posted on June 15, 2011. Filed under: Global, Solar |


Solar Impulse HB-SIA, Swiss-made solar aircraft successfully took off from Payenne airbase in Switzerland fly across geographical boundaries to Brussels, a distance of about 300 miles without constraint. Despite the low speed, the aircraft designed by Bertrand Piccard, flying at an altitude of 11,880 feet and fully powered by solar without emissions.

Solar Impulse equipped with 12,000 solar cells on the 64 meters wing span and can fly nonstop for 26 hours with power from battery charged by sunlight for 14 hours continuously. The aircraft that use high-tech solar airplane has four 10hp electric motors to drive four propellers. It also has a large Wingspan that allows store enough solar energy to run a long duration flight even at night.

In the inaugural international flight, the pilot was very satisfied with the performance of the aircraft. Furthermore, the aircraft will have the mission to fly across the Atlantic or even around the world.

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Smooth design of 49,90 € solar window charger

Posted on June 15, 2011. Filed under: Global, Solar |

Utilizing renewable energy sources from solar energy is very practical to use a small device of XD Design solar window charger placed on your window. Smooth design inside of the device can spices up your interior.

The device comes with size of 11 cm length , width 11 cm, and height 1.75 cm,it also provides two USB ports sizes, small and big size to allow charge your a cellphone, laptop and all your electronic devices that support USB ports. The device is equipped with a 1400mAh rechargeable lithium battery. You also will get a mini USB cable.

The exterior of the device which faces out the window glass is contain of a small solar panel to capture sunlight coming into the window. It’s made of plastic with weight 0.135 kg, its a light mounted on your window. For a device of XD Design window solar charger valued € 49,90.

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