Monthly Archives: August 2011

Bio fuel – alternative fuel

Biofuel As A Sustainable Power Source

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 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, jatropha 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.
Since bio fuel maybe gaseous, liquid or solid fuel other categories also apply. Way up in Tibetan mountains biofuel 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.
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 ergo recycling and converting it into biofuel is in order. In addition, landfills maybe of some use after all. Landfills emanates polluting gas which contain methane, a combustible gas which is the primary content of the gas we use for cooking, and heat.
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 so that it will function. Liquids and gases are easier to handle because it can be contained and pumped, so handling is less expensive.
Biofuel And Cars
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 what’s transesterification. Transestirification is a chemical reaction produced by adding an acid base to the fats. The result is biodiesel.
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 maybe 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 through scientific modifications.
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. When all hope seems to have been lost a new glimmer looms in the horizon. It is heartening to see that men who cause the slow but sure death of the earth are trying to find ways to help it recover and be its vital self again.

Advantages And Disadvantages Of Using Green Energy Sources

What are the Advantages and Disadvantages of Using Green Energy Sources?

Today, we are now aware of the effects of global warming. Fortunately, it’s not too late and we can still change which is why many are pushing for green energy sources.

The advantage of using green energy sources is that it is clean so it does not emit anything harmful into the air which has an impact on the environment. It is also renewable which means we will never run out of it unlike oil which is expected to dry up in a decade or so.

Although green energy facilities are expensive to build, it requires less maintenance so you don’t have to shell out a lot of money to operate it.

It can also bring economic benefits to certain areas even boost tourism.
While these sound good, there are some who say that there are advantages to using such technology.
While green energy sources can produce electricity, how much it can generate is not consistent. This is because we have no control of the weather so if a certain area relies on solar energy and there is a weather disturbance, it will not be able to convert sunlight into electricity.

Building these facilities also requires a lot of land so we may have to cut on farmland which is what many are concerned about if more wind turbines are to be put up.
Another disadvantage is the fact that some of the green energy sources cannot be installed in certain areas of the planet. For instance, wave energy can only be utilized if the waves coming from the ocean reach at least 16 feet. The use geothermal energy can only be done in geologically unstable parts of the planet.
But if you look at such arguments, places that cannot use one form of green energy source can be substituted for another. If wind turbines need more space, they can be installed near the coast instead of putting these on land. A study shows that you can generate more electricity while these are in the ocean.

While the weather is something we cannot control, it is not everyday that there is a weather disturbance so this too shall pass. If solar energy is being used and the sun is covered, the emergency generators will be activated and use up the energy that was stored.

The point is that there are ways around the arguments put by certain individuals which discourage the use of green energy sources. In fact, research is ongoing to try and harness other means to generate the power we need.

A very good example of this is called ocean thermal energy. Power is generated by harnessing the different temperatures in the water. It is currently being used on a small scale both in Japan and Hawaii.
In the US, only 7% of green energy sources are used nationally. This was much higher 11 years ago and if we don’t have to worry about the cost of oil or even reduce our dependency on it, we have to invest more in this clean energy.

We can get it from green energy sources such as biomass, biodiesel, geothermal, solar, water and the wind. These are things we have all around us and all it takes is for someone to harness it instead of relying on traditional non-renewable means to produce energy.

The Price Of Solar Power

The Price Of Solar Power 
Solar power is really a natural supply of heat up that comes from the sun’s rays.  When solar power hits our planet it propagates within the earth’s surface and offers warmth evenly.  Should you could capture the sun’s sun rays right into a particular area for any lengthy time period it might provide enough warmth for night time or on cloudy days.  Learning how to locate solar power can assist you to get began today.  Solar power doesn’t cost anything since it originates from the sun’s rays.  The origin that you simply choose could cost some but over time it ought to be your only expense, unlike gas or oil heating units that you simply continue to cover monthly to be able to have energy or gas warmth in your house. Photo voltaic energy can offer heating, cooling and ventilation. 
If you wish to build your own photo voltaic energy to capture the power for heating it’s very easy to complete if you’re able to look for a solar panel, that is something that draws in the warmth in the sun inside a concentrated amount, for example glass or obvious plastic. Engaging in your vehicle which has sitting in the sun all day long lengthy could be very hot and you’ve got to roll lower your home windows to awesome them back inside.  That’s since the glass has attracted the sun’s rays and also the objects inside your vehicle, as well as your seats, have trapped the warmth not permitting it to flee.  Whenever you roll your home windows lower you’re permitting the warmth to flee leading to your vehicle to awesome lower. Exactly the same factor holds true about green-houses. The glass or obvious plastic can attract the sun’s rays and never let it escape leading to the green house to keep the warmth for that plants to develop effectively. 
To be able to warmth your house using solar power, you should know the info on the passive as well as an active home.  These two kinds of photo voltaic houses provide the homeowner options to select from as well as your price of heating might be lower.  Solar power doesn’t only warmth your house it warms your water and when you utilize solar power lights it may light your house during the night. 
Passive houses don’t use any equipment to warmth the house.  Passive houses use home windows that are created to allow all the sunlight to your home.  The daylight is controlled by continuing to keep the doorways closed within the most popular area of the day not permitting any warmth to flee. During the night thick curtains might be utilized on these home windows to ensure that the heat stays inside throughout the evening.  This enables the sun’s rays to naturally warmth your house with no help. 
Active houses use equipment to assist circulate the warmth in your home.  A few of the equipment that might be used includes pumps, blowers as well as an alternative heating source just in case the daylight wasn’t enough throughout the daytime.  To be able to warmth the house with sunlight these houses use special boxes about the outdoors that attract the sunrays into it.  They are manufactured from a dark colored metal to assist attract the sun’s rays more. Water or air that’s transported within the pipes and tubes is heated with this glass box which has taken the daylight.  Then your heated water or air will be transported towards the relaxation of the house. 
Over time, solar power helps you to warmth the house naturally and without based on a business to provide it for you personally. Solar power are available anywhere the sun’s rays is.