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	<title>Green Earth Reviews &#187; Sustainable Power</title>
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	<description>Eco Friendly Tips And Products Helping Our Planet</description>
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		<title>Green Energy Powered by People</title>
		<link>http://www.greenearthreviews.com/living-green/green-energy-powered-by-people/</link>
		<comments>http://www.greenearthreviews.com/living-green/green-energy-powered-by-people/#comments</comments>
		<pubDate>Sun, 22 Aug 2010 13:08:27 +0000</pubDate>
		<dc:creator>Deborah</dc:creator>
				<category><![CDATA[Featured Articles]]></category>
		<category><![CDATA[Living Green]]></category>
		<category><![CDATA[Green Energy]]></category>
		<category><![CDATA[Renewable Energy]]></category>
		<category><![CDATA[Sustainable Power]]></category>

		<guid isPermaLink="false">http://www.greenearthreviews.com/?p=999</guid>
		<description><![CDATA[With so many electronic gadgets in the world today it seems like we are constantly charging them. There is technology being developed though that would tap into the energy of people&#8217;s movements. This could be used to power mobile device and possible an entire structure. The power derived from people is a green energy that [...]]]></description>
			<content:encoded><![CDATA[<div id="attachment_980" class="wp-caption alignright" style="width: 310px"><img class="size-medium wp-image-980 " title="People Power" src="http://www.greenearthreviews.com/wp-content/uploads/2010/08/shopping-mall-300x239.jpg" alt="" width="300" height="239" /><p class="wp-caption-text">Power derived from people is a green energy that could be using for charging up any and all electronic gadgets.</p></div>
<p>With so many electronic gadgets in the world today it seems like we are constantly charging them. There is technology being developed though that would tap into the energy of people&#8217;s movements. This could be used to power mobile device and possible an entire structure. The power derived from people is a green energy that could be using for charging up any and all electronic gadgets in place of traditional electricity that causes a carbon footprint.</p>
<p>Facility: Innovate is an architectural research company in London. It is working on making an energy collector in areas that draw a lot of people such as shopping malls, sport complexes and other buildings that have large events. This technology will not be noticeable though to the naked eye. However, their movement on the tiles will activate a pneumatic machine which then pushed air along to a turbine where is creates electricity according to Oliver Schneider, the managing director. Only a slight difference will be felt by people similar to being on a floor mat.</p>
<p>Oliver says, &#8220;We&#8217;re looking to generate around 1 kilowatt-hour of electricity (from each device) per day. That&#8217;s enough to charge around 300 phones per day.&#8221; This power will then be transferred to stations for the purpose of charging phones, or to be used for electronic signs and lighting too. Since this technology makes direct current, powering the local DC gadgets is a more effective use of it than converting it to AC to feed through the grid.</p>
<p>This company is preparing to install this type of mechanism for the first time in the USA later on in 2010 and somewhere in the UK quickly to follow. Even the ticket areas in the stadiums could do this, any spot where people congregate into a group.</p>
<p>This version of collecting movement energy can be placed under traditional flooring material, unlike the slabs for generating energy that the Pavegen Systems, another London company, devised. It means this version is much more versatile and can be used other places.</p>
<p>Now Zhong Lin Wang in Atlanta at Georgia Tech wants to use people&#8217;s footsteps make electricity without having to do special flooring to accomplish this. He wants to develop special shoe pads and similar devices that can collect energy using the pressure from the feet of the person wearing them, in the near future. These will utilize piezoelectric nanowire generators; these actually generate alternating current when handled correctly. Wang last month reported results of a mechanism around 5 centimeters wide which when it was flexed generated 1.3 volts, this is enough for an AA battery to get charged.</p>
<p>Over in Berkeley, Chieh Chang and his colleagues at University of California have come up with a process for printing the nanowires which similarly generate energy. These are created through electrospinning process. This takes a solution that is charged and processes it though a needle which is electrically charged and sends it to a grounded surface. This print method for nanogenerators could even be used with clothing and other textiles to charge up electronic devices for the person wearing them.</p>
<p>This is definitely a promising idea for energy savings. Anything we can do to lower the drain of resources in the world will help lessen our carbon footprint.</p>
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		<title>Alternative Fuel &#8211; Biodiesel</title>
		<link>http://www.greenearthreviews.com/featured-articles/alternative-fuel-biodiesel/</link>
		<comments>http://www.greenearthreviews.com/featured-articles/alternative-fuel-biodiesel/#comments</comments>
		<pubDate>Sun, 22 Aug 2010 13:03:23 +0000</pubDate>
		<dc:creator>Deborah</dc:creator>
				<category><![CDATA[Featured Articles]]></category>
		<category><![CDATA[Renewable Energy Sources]]></category>
		<category><![CDATA[Biofuel]]></category>
		<category><![CDATA[Renewable Energy]]></category>
		<category><![CDATA[Sustainable Power]]></category>

		<guid isPermaLink="false">http://www.greenearthreviews.com/?p=997</guid>
		<description><![CDATA[There are many good reasons why biodiesel is a good fuel alternative to gasoline. Primarily, it is safer to the environment because it completely comes from renewable sources, is non-toxic, burns clean, and is totally biodegradable. Secondly, it is a renewable fuel and can easily be sourced out from natural, safe resources such as vegetable [...]]]></description>
			<content:encoded><![CDATA[<div id="attachment_984" class="wp-caption alignright" style="width: 235px"><img class="size-medium wp-image-984" title="sunflower" src="http://www.greenearthreviews.com/wp-content/uploads/2010/08/sunflower-225x300.jpg" alt="" width="225" height="300" /><p class="wp-caption-text">Biodiesel can be made from natural resources which are readily available. </p></div>
<p>There are many good reasons why biodiesel is a good fuel alternative to gasoline. Primarily, it is safer to the environment because it completely comes from renewable sources, is non-toxic, burns clean, and is totally biodegradable. Secondly, it is a renewable fuel and can easily be sourced out from natural, safe resources such as vegetable oils, soybean oils, canola oils, recycled cooking oils, sunflower oils, and animal fats.</p>
<p>Used as an alternative fuel, biodiesel has more benefits compared to petroleum. Its engine performance is either equal or even better than that of petroleum and it is readily available for people&#8217;s automobile use as it can be found in around 800 locations around the United States with 600 fleets currently using biodiesel blends. In 2005, an estimated 75 million gallons of biodiesel were sold, according a website of the US Environmental Protection Act.</p>
<p>Because of its safety and environmental-friendly components, biodiesel passed the standards of the 1990 Clean Air Act Amendments and has subsequently been tested for all other environmental safety standard requirements by the government and passed them all compared to other alternative fuels which had some harmful components. As an alternative fuel, biodiesel also cuts greenhouse gas emissions (GHG) by over 50 percent compared to petroleum diesel which only reduces GHG emissions by 10 percent, according to a report by the US Department of Energy. With people becoming more aware about the protection of the natural environment and making individual contributions to stop the global warming, the use of biodiesel in everyday personal automobile use is seen as one big step in this endeavor. Environmental groups are also seen to push for greater efforts toward achieving this universal goal.</p>
<p>Converting to biodiesel is easy as it works with most current diesel engines. While it is presently more expensive than the regular gasoline sold for automobile use, the price is expected to go down in the coming years as more people convert to it and the demand increases. Since it can be made from natural resources which are readily available within the country, responding to an increasing demand is expected to be met without so much as a problem from the levels of production, marketing, and distribution. The expected increase in the people&#8217;s need for a more safe and environmental-friendly fuel in biodiesel is seen as a positive response to the growing concern in global warming. A study revealed that an estimated 33 percent of vehicle harmful emissions contribute to the global warming phenomena.</p>
<p>While touted as the best alternative fuel of the new future, biodiesel is not only highly recommended for daily automobile use, but is also being pushed as another alternative energy source for both generating and heating purposes. A test conducted by the National Oilheat Research Alliance (NORA) revealed that 80 percent low-sulfur heating oil and a 20 percent biodiesel (B20) decreased emissions of sulfur oxide by almost 80 percent or even more. Emissions of nitrogen oxide decreased by around 20 percent while carbon dioxide similarly lowered by 20 percent.</p>
<p>Going &#8220;green&#8221; in everything that people do is the new way to doing things. From recycling to reusing to reducing to making use of renewable and alternative sources of energy such as biodiesel, solar heat, water, and wind lead to better earth preservation and living in harmony with nature. Biodiesel is the future in alternative fuel, knowing that already people must do their share in saving our environment and start using what is only the best and safest for both man and the earth.</p>
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		<title>Wind Power Can Make All The Difference</title>
		<link>http://www.greenearthreviews.com/wind-power/wind-power-can-make-all-the-difference/</link>
		<comments>http://www.greenearthreviews.com/wind-power/wind-power-can-make-all-the-difference/#comments</comments>
		<pubDate>Sun, 25 Jul 2010 14:05:58 +0000</pubDate>
		<dc:creator>Deborah</dc:creator>
				<category><![CDATA[Wind Power]]></category>
		<category><![CDATA[Sustainable Power]]></category>
		<category><![CDATA[Wind Turbines]]></category>

		<guid isPermaLink="false">http://www.greenearthreviews.com/?p=952</guid>
		<description><![CDATA[Wind power is the term we use to define the conversion of wind energy into a form of energy that we can use. An example of this would be the use of large turbines that are turned by the wind to produce electricity. You will also find wind mills that produce mechanical power and wind [...]]]></description>
			<content:encoded><![CDATA[<div id="attachment_949" class="wp-caption alignright" style="width: 310px"><img class="size-medium wp-image-949" title="wind-power-400" src="http://www.greenearthreviews.com/wp-content/uploads/2010/07/wind-power-400-300x182.jpg" alt="" width="300" height="182" /><p class="wp-caption-text">Wind power could well be the major supplier of our energy in the near future.</p></div>
<p>Wind power is the term we use to define the conversion of wind energy into a form of energy that we can use. An example of this would be the use of large turbines that are turned by the wind to produce electricity. You will also find wind mills that produce mechanical power and wind pumps that are used to pump out drainage. Wind power is a clean and renewable energy resource that is finally beginning to see some use. This natural means to producing electricity is the dawn of a new era on how we fuel our homes.</p>
<p>Many people have started putting these on very large scale wind farms that are all hooked up to a transmission network. In some cases, you will even see small wind farm locations that only power a few locations. Another great advantage to wind power is the ability the owner has to allow his energy tanks to get full. After they are full, you can then sell your surplus energy back to the electric company. This energy resource will not run out someday like fossil fuels will and it is less harmful to the environment. For home wind power, you can purchase a small wind turbine to connect your house up to. These are now growing in their popularity.</p>
<p>Our government is also trying to promote clean renewable energy sources like wind power. In fact, they have taken many steps to bring more and more wind farm activity in this country along with other renewable energy resources. Many wind farms are going up all over the country and only a few are raising opposition to these new constructions. Nevertheless, it is fast becoming a very reliable way to receive and generate energy from a natural source. In many aspects, wind power is just overall very practical.</p>
<p>There is a wind farm project going on in the area of Cape Cod. The end result that they wish to achieve is to supply the 225,000 Cape Cod residents with power. However some opposition has arisen amongst the Native American people living there. They are outraged at the fact of where these turbines will be put and say that it is destroying their land. The entire project that Cape Cod will be under going will be well over $2 billion dollars. This project was even approved by the President of the United States government and 130 wind turbines are planned to go in.</p>
<p>Wind power could well be the major supplier of our energy in the near future. This is because it has so many advantages over all other forms of harvesting energy and it does not hurt the environment. Wind power not only helps the environment, it helps reduce your energy costs all together.</p>
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		<title>Biofuel – A Sustainable Power Source</title>
		<link>http://www.greenearthreviews.com/featured-articles/biofuel-a-sustainable-power-source/</link>
		<comments>http://www.greenearthreviews.com/featured-articles/biofuel-a-sustainable-power-source/#comments</comments>
		<pubDate>Sun, 27 Sep 2009 12:52:30 +0000</pubDate>
		<dc:creator>Deborah</dc:creator>
				<category><![CDATA[Featured Articles]]></category>
		<category><![CDATA[Renewable Energy Sources]]></category>
		<category><![CDATA[Biofuel]]></category>
		<category><![CDATA[Sustainable Power]]></category>

		<guid isPermaLink="false">http://www.greenearthreviews.com/?p=485</guid>
		<description><![CDATA[The energy crisis has already prompted a war; that is if you believe conspiracy theorists and the media. There might be some truth to this matter, at least if we take a closer look at the dynamics of supply and demand of fuel all over the world. What is BioFuel? Biofuel is an energy source [...]]]></description>
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<p>The energy crisis has already prompted a war; that is if you believe conspiracy theorists and the media. There might be some truth to this matter, at least if we take a closer look at the dynamics of supply and demand of fuel all over the world.</p>
<p><strong>What is BioFuel?</strong></p>
<p>Biofuel is an energy source derived from recently deceased biological matter while fossil fuel (i.e. raw material for gasoline, kerosene, diesel and etc.). In theory biofuel can be derived from any carbonated source, but in practice it usually comes from plants like corn, palm, sugar cane, wheat, and algae. These feedstock sources are popular for the two most popular end products which are used for cars and machineries: bioethanol and biodiesel. Bioethanol comes from either sugar crops or fermented starch. Biofuel does not just come from plant crops, although a margin of them does.</p>
<p>Since bio fuel may be gaseous, liquid, or solid fuel, other categories also apply. Way up in the Tibetan mountains, biofuels have been in use for hundreds of years. Tibetans use manure from their goats, donkeys, horses, and cows as a substitute for wood. Animal waste are common pollutants, converting it into useful energy helps eliminate its negative effects.</p>
<p><strong>Biowaste</strong></p>
<p>Other alternative fuel resources are used oils. People eat, and thousands and millions of gallons of used oils are thrown down the drain, which leads to rivers and oceans. Oil does not decompose so recycling and converting it into biofuel is in order. In addition, landfills maybe of some use after all. Landfills emanate polluting gas which contains methane, a combustible gas which is the primary content of the gas we use for cooking, and heat.</p>
<p><strong>Biofuel and Cars</strong></p>
<p>Liquid biofuels are getting generous media attention because of the worsening air conditions in severely populated areas. Cars produce almost 60% of our air pollution. Vehicles need highly combustible energy to function. Liquids and gases are easier to handle because it can be contained and pumped, so handling is less expensive.</p>
<p>There are two types of biofuels that maybe used in cars: biodiesel and bioethanol. Biofuel is very popular in Europe. In that part of the world most car manufacturers make vehicles with diesel engines, so using biodiesel instead of pure diesel is a relatively easy transition. If a car is unmodified, owners may blend up to 20% biodiesel with regular diesel. Biodiesel comes from fats and used oils, these by products are the processed through transesterification. Transestirification is a chemical reaction produced by adding an acid base to the fats. The result is biodiesel.</p>
<p>Bioalcohol is produced when starch, sugar, and cellulose are fermented. The results are three popular types of alcohols: ethanol, butanol, and propanol. Among the three it is argued that either ethanol or biobutanol may be used in gasoline running cars, but it seems that biobutanol won the bid because it now called biogasoline. Biogasoline is formed by acetone, butanol, and ethanol fermentation and scientific modifications.</p>
<p>With social enlightenment and a new found concern for the welfare of the environment, more and more sustainable power resources are being discovered and invented.</p>
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