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Is solar energy a viable solution to reducing oil dependence?

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Yes
79% 276 votes Total: 349 votes
No
21% 73 votes

Yes

by Jeremy Ford

Created on: December 20, 2009   Last Updated: December 21, 2009

Solar energy can definitely be a viable solution to reduce oil dependence. Not just in the United States, but around the world. The sun is perpetually producing enormous amounts of energy.

According to Ken Zweibel in his article, “A Grand Plan for Solar Energy,” “The energy in sunlight striking the earth for 40 minutes is equivalent to global energy consumption for a year.”  The difficulty is harnessing this energy, and manufacturing mechanisms that can disseminate this energy to the masses at an economically profitable price.

One method for converting solar energy into electricity is through the use of photovoltaic cells. These cells utilize the photoelectric effect, first identified by French scientist Edmund Bequerel in 1839. He noticed that certain substances have the capability of generating an electric current when exposed to sunlight. 

These substances absorb protons and release electrons and when these electrons are detained, an electric current is produced. The most common semiconductor material used to produce this electric current is crystalline silicon.

If photovoltaic cells can be massed produced at a relatively cheap price and be hooked in to the central grid of electricity, massive amounts of electricity can be generated with much lower environmental costs than the current electricity producing methods provide.

According to an article by Aaron Cohen entitled, “Organic Solar Collection,” Marc Baldo and a group of research scientists at MIT have developed a new solar concentrator that increases energy efficiency by 50%, reduces energy loss by allowing light to travel further than in previously developed solar panels creating and tenfold increase in generated power.

The reason why the expanding the utilization of solar energy can reduce oil dependence is that the electricity produced from photovoltaic cells can be used to charge batteries for running automobiles. 

Automobiles is the major use of oil, and because of the large population of the United States and the large number of automobile owners, as well as the American desire to own powerful cars - 8 and 12 cylinder engines -  the importation of oil for foreign sources is a necessity.

Our focus as a nation needs to surround the advancement of renewable energy technology, including solar power, to reduce our dependence on oil.  Because of our high oil consumption and the economic reliance on imported oil, economic welfare as a nation becomes very contingent on natural resources that we do not fully control. 

This fact forces us to use sometimes drastic measures to fulfill our natural resource demand. The next country that develops a reliable renewable energy mechanism that can be mass produced for a reasonable price, their economy will skyrocket as the global demand for this product increases. 

China and India could be major players in the economics of a mass produced renewable resource. Both countries are advancing their technology and looking for ways to aid this advancement. They are searching for cheap and reliable ways to progress their respective countries. 

Both countries have large amounts of coal reserves that can be used for electricity. However, given the residual pollution that burning coal can produce, I contend that solar power, if reliable and cheap, could be in major demand.

America certainly will not be independent of oil for a long time. It is too essential to our everyday livelihoods. However, an increase in the use of solar power can certainly decrease our dependence on foreign oil, expanding our self-sufficiency, lifting the burden of occupying and impoverishing small countries to make a few oil and infrastructure companies richer, obviously to the chagrin of the CEOs of these companies that have so much control on our economy and political maneuvers.

The global economy is changing and we need to be on the front of this change. Increasing solar energy use as well as the use of other renewable resources can create jobs, level the playing field of the influences on our policy and motives for war, politics, and infrastructure, and put America at the top of the global economic pyramid with an increase in natural resource exports and a decrease in imports.



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No

by Patrick Boniface

Created on: November 09, 2009   Last Updated: November 10, 2009

Let's establish some facts: The sun provides for us on the Earth, gives us light, warmth and a comfortable place to live. The radiation it pumps out into the solar system can be transformed into a useful and crucially sustainable form of energy. Those are the facts folks and here comes the point where I break away from the eco lobby and strike out on a different course.

Eco warriors and fantasists will have us believe that the great glowing gas bag in the sky can provide the world with all the energy it needs, this is ludricrous and quite scary at the same time. The Earth is, the eco warriors are quite right, running out of fossil fuels and we should, again quite rightly look for alternative forms of energy and solar power is indeed just one of a myriad of possible solutions to reduce our dependence on oil.

But, as with everything in life, there are pros and cons, pluses and minus' for every single option and it is the case with solar energy. First lets have a look to see how dependent we are on oil in the first place. Almost every car, truck, van, train, motorbike, aeroplane, city centre, house central heating system and transitor radio runs on oil, if not directly then from the production of electricty.

Admittedly some generators are nuclear and others are gas fired. Very few, especially in the United Kingdom, where I write this article, are anything other than 'harmful' electricity generators. In Scotland there is a powerful lobby for hydro electric power, where the country has a large annual rainfall and mountains and lakes capable of being utilized in this fashion.

In the part of the United Kingdom I live in, there are no mountains, no lakes and precious little rainfall, so hydro-electric is not really an option here.The big snag in the viability of solar power in Scotland is the climate, grey or perhaps as the Scots would say Dreak!

Which leads me nicely onto solar energy. Everywhere on planet Earth receives an annual supply of solar energy in the form of sunlight, both in the visible and invisible wavelengths. The question is how much of this is in useful quantities and how is it viable to extract this energy?

In Kent there are no plans from local or national government to turn farmers fields into giant solar power stations because the United Kingdom is a small island and these fields serve a better purpose in providing food to sustain our ever expanding population, expected to reach over 70 million people by 2020. Added to this the climate in Kent is changeable, but mostly overcast and cloudy with sometimes heavy rain.

Over the last ten years the number of sunny days in the United Kingdom have shrunk, allegedly due to global warming, but the overfilling of my bath in the mornings has also been put down to the questionable science of global warming!

Other places on the planet, such as deserts make ideal places to build solar power stations, but suffer from the fact that they are ridiculously remote and the cost of building them would be astronomical. Paying the staff to work in those conditions, would like the temperatures, also be extremely high. The infrastrure to build a solar station, of suitable power, would be immense.

You would need to cover the whole of the Sahara in receptors to power Europe. This might be a great way of shifting the balance of power in Africa away from the oil barons to hard up North African countries but would also offer the chance to destablise the world and produce chaos.

Solar power is undeniably a great opportunity, but the technology is not sufficiently mature and the infrastrure constraints too problematic to make the necessary 'significant' change in power usage that will need to take us from an oil based future.

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