Archive for the ‘Biofuels Advantages’ Category
The Advantages of Using Biodiesel Fuel
You might have heard a lot about biodiesel. Biodiesel is diesel than can power up your car that is made from vegetable oils and other natural sources. It does not come from the regular crude oil that usually has to be imported from oil-producing countries.
Biodiesel can be considered a new technology, taking into account all the years consumers have had to settle for traditional diesel. Using biodiesel for your car has many advantages:
1. Biodiesel is not harmful to the environment. Unlike its counterpart, a car using biodiesel produces fewer emissions. If a vehicle uses traditional diesel, the vehicle emits black, stinky smoke. With biodiesel, the smoke becomes very clean indeed.
2. Biodiesel may not require an engine modification. Some cars can take advantage of biodiesel without the need to undergo engine alterations. Some mix 20% biodiesel with regular diesel. Doing so enables the car to benefit from the good points of biodiesel without the hassle.
3. Biodiesel is cheap. You can even make biodiesel in your backyard. If your engine can work with biodiesel fuel alone, then you really need not go to the gas station to buy fuel. You can just manufacture some for your own personal use.
4. Biodiesel can make the vehicle perform better. It is noted that biodiesel has a cetane number of over 100. Cetane number is used to measure the quality of the fuel’s ignition. If your fuel has a high cetane number, you can be sure that what you get is a very easy cold starting coupled with a low idle noise.
5. Biodiesel can make your car last longer. Because of the clarity and the purity of biodiesel, you can be sure it will not have too many impurities to harm your car. It is actually more lubrication. A car’s power output is unaffected by this type of diesel.
6. Biodiesel reduces the environmental effect of a waste product. Because biodiesel is made out of waste products itself, it does not contribute to nature’s garbage at all. Biodiesel can be made out of used cooking oils and lards. So instead of throwing these substances away, the ability to turn them into biodiesel becomes more than welcome.
7. Biodiesel is energy efficient. If the production of biodiesel is compared with the production of the regular type, producing the latter consumes more energy. Biodiesel does not need to be drilled, transported, or refined like petroleum diesel. Producing biodiesel is easier and is less time consuming.
8. Biodiesel is produced locally. A locally produced fuel will be more cost efficient. There is no need to pay tariffs or similar taxes to the countries from which oil and petroleum diesel are sourced. Every country has the ability to produce biodiesel.
Biodiesel is surely a viable fuel alternative. Moreover, it is also a sustainable fuel. Using biodiesel not only helps maintain our environment, it also helps in keeping the people around us healthy.
The production of biodiesel all over the world is now being looked upon favorably. In Europe, many biodiesel stations have been set up already. There is also a move to convert or make cars compatible with biodiesel fuel in the near future.
Biodiesel can surely change the way vehicles are manufactured and used. It is surely the best substitute right now, and everyone should consider ways to take advantage of the benefits of biodiesel.
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advantages of using biofuelWhat is Cellulosic Biofuel?
Lately researchers are looking for every possible alternative energy source, this due largely to the world’s energy crisis and the condition of the environment. The top of the list is replacing traditional fossil fuels with alternative and renewable energy.
The main contenders for fuel substitutes are biomass fuels. Biomass fuels are derived from organic plant matter. Ethanol-based bio fuels are extracted from corn. Biodiesel is made up primarily of used vegetable oil and grease. Jatropha oil, which comes from seeds from the Jatropha plant, is also being used to make biofuels. Now added to the list is cellulosic biofuel.
Cellulosic biofuel is very revolutionary in biofuels; this is because it is not plant specific as with Jatropha and and can be generated from both living and dead organic plant matter rather than requiring crops to be grown specifically for the purpose of cellulosic biofuel production, such as ethanol needs corn.
The carbon content in cellulose is what makes it such a good candidate in the quest for biofuel. Cellulose is the most abundant carbon form present in biomass and accounts for around 50% of its weight. Cellulose can be found in most plant matter without the need for land space or water for irrigation giving cellulose biofuel its appeal.
Cellulose is a polysaccharide comprised of a six sugar carbon polymer. Because of its composition and its abundance, cellulosic biofuel is an attractive possibility for mass biofuel production.
The researchers at NASA are further exploring cellulosic biofuel as a viable fuel source. They are researching more efficient processes to convert cellulose to sugar. Once cellulose is converted to its sugar-based form it can be used for other purposes such as chemical agents, food and cellulosic biofuel.
However, the conversion to sugar is requires around 50 hours for the process to take place. You take labor costs and the energy to covert it, and you can see how costly it can become. With time also comes higher production costs. If it would be pssible to cut this process down to 5 hours it would see cellulosic biofuel become cost effective enough to be competitive in a global market.
What scientists hope to accomplish is to refine the process for easier extraction of the complex sugars from cellulose. Because the plant cell walls were designed in nature to be robust and to stand up to the elements, it makes it difficult to break down and extract. Researchers hope to make extraction easier by engineering plant cell walls.
Another hurdle in the production of cellulosic biofuel involves the improvement in enzyme efficiency. They plan to mimic enzyme behavior from animals that are the most efficient at breaking down cell walls such as herbivores like cows and sheep which they believe is the key to cost effective cellulosic biofuel production.
Some of the things we can do to help protect ourselves from increasing oil prices is to conserve what we have now, to use less, and to alter our energy consuming patterns. We need to look into alternative energy sources when they become available to us. If we do these things, cellulosic biofuel could be on the market in as little as 5 years.
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causes of energy crisis,cellulosic biodiesel,mass bio fuel,what are cellulosic biofuels,world energy crisisWhat Are Advantages and Disadvantages of Alternative Energy Sources?
Do you want to know the advantages and disadvantages of alternative energy solutions, and how you too can harness this energy for home use? There are many different alternative energy sources ranging from renewable to non-renewable ones, with some being much more sustainable than others. Nevertheless, it has become the topic of conversation for many people as more people are becoming more environmentally conscious.
1. What Are Some Examples Of Alternative Energy Sources That You Can Use At Home?
One of the most powerful forms of renewable energy that can be harnessed at home is solar power. Wind turbines can also be built to harness wind energy and convert it to electricity for home use. Other forms of renewable fuel can be wood that can be renewed with the re-growing of trees, sea, crops and waste products. But rapid usage can still deplete these resources easily.
2. What Are The Advantages Of Alternative Energy Sources?
Alternate energy sources, especially those that are renewable, are seen as the long term solution to deal with the problem of high carbon emissions and climate change.
3. What Are Some Disadvantages Of Alternative Energy Sources?
There are still some disadvantages when considering the use of renewable energy. The harnessing and production of renewable energy can be very expensive when compared to using fossil fuel plants. It is also very difficult to make a lot of energy quickly in a short period of time, and the cost to make the same amount of energy when using renewable power sources like wind turbines is much higher compared to using a coal or oil power station.
Thousands of people have already eliminated their own home electricity bills with a free energy system. They learned how to build it by downloading a step-by-step guide online. You can find out more about how to build this homemade power system at the website link below.
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Biofuel or bio-organic fuel is any plant or animal matter which can be combusted and used as a fuel. Biofuels are one of the new range of renewable energy sources in the world today. So, what are the advantages and disadvantages of biofuels?
The main advantage that biofuel has over other energy sources is the cost factor. With the ever increasing prices of crude oil, biofuel offers a cheaper solution to our energy needs. One of the main reasons for this low cost is that biofuels are made from plant and animal waste. Also, being natural products, they are biodegradable and do not harm the environment when combusted. They are also comparatively lot less polluting. Lesser carbon emissions means that these fuels are environment friendly which is the need of the world today. For conventional fuels it takes years to regenerate whereas there is no such problem for biofuels.
However, biofuels also suffer from many disadvantages, the chief amongst them being the low energy output of the fuels. Doubts have been raised whether biofuels will ever be able to replace the conventional fuels because critics argue that they do not the heat capacity to do it. Also, due to the novelty, the production cost of the fuel is very high currently. Also, certain food crops like maize are needed to make them which may lead to an imbalance. There is a huge quantity of water required which may affect the local water resources.
So, considering the advantages and disadvantages of biofuels, it may not be the best possible solution after all.
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advantages and disadvantages of biofuels,environmental advantages and disadvantages of biofuelWhat Are Biofuels?
Biofuels are fuels produced from plants of various kinds. This is in contrast to fossil fuels, which are produced from fossilized materials.
Hemp Biofuels
Bio-fuels are generated from the hemp seeds that can be harvested as a result of using a robust hemp variety. These seeds, in turn, can be converted into bio-fuels. Bio-fuels have several advantages over conventional fuels, e.g. diesel.
One important factor is that these are produced locally, creating employment in rural areas while reducing the need for transportation. Bio-Fuel-Cells (BFCs) are also important and promising devices for efficient transfer of any fuel to electricity, which is the most suitable form for many applications. However, it is important to realize that societies do not live on fuels/energy alone
Ethanol As A Biofuel
Ethanol is largely produced from molasses, a byproduct of sugar. Molasses is either picked up by the breweries or used in production of ethanol. Ethanol is an alcohol-based fuel produced by fermenting and distilling starch crops that have been converted into simple sugars.
All gasoline vehicles made after 1980 are capable of operating on gasoline/ethanol blends with up to 10 percent ethanol with no modifications.
Ethanol production utilizes abundant domestic energy feedstocks, such as coal and natural gas, to convert corn into a premium liquid fuel. Only about 17 percent of the energy used to produce ethanol comes from liquid fuels, such as gasoline and diesel fuel.
Ethanol has a high octane rating, which allows an optimum timing for engine ignition and has a fast flame speed in the cylinder, so the fuel burns faster, increasing the efficiency of the engine.
Bio-fuels are believed to be a source of clean energy. But experts have said that Brazil has cut down some of its rain forest so it can plant sugar cane to produce ethanol.
Biodiesel
Biodiesel is typically blended at 20% with petroleum diesel. B-20 is used chiefly by vehicle fleets, which get credit for using alternative fuel vehicles without having to purchase new vehicles.
Biodiesel does not add any carbon because it utilises the amount of carbon which naturally circulates between the atmosphere and the biosphere (photosynthesis). Conventional fossil diesel however, does add to the overall level of carbon by extracting carbon deposited in the geosphere (mineral deposits) and releasing it into the atmosphere.
Biomass And Biofuels
Biomass processing results in the end-products biochemicals, biofuels, and biopower, all of which can be used as fuel sources. Biochemicals involve converting biomass into chemicals to produce electricity; biofuels are biomass converted into liquids for transportation; and biopower is made by either burning biomass directly (as with a wood-burning stove) or converting it into a gaseous fuel to generate electric power. Biomass usually consists of organic waste produced by human, animal or plant activity.
Cultivation can grow material for producing bio-fuels such as corn, sugarcane, soybeans, palm oil, flaxseed, jatropha, and rapeseed. Biomass is nothing more than materials that were recently living organisms?in this case, plants and their by-products. Even better, it is a renewable energy source, unlike petroleum and coal, which once used are gone forever.
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At the heart of the biofuels pros and cons debate is the fact that we need a great alternative fuel source as a planet. This source of energy needs to be efficient and able to replace oil as the primary fuel for vehicles and heat. With global warming becoming more tangible for even the biggest skeptics, ethanol and biodiesel seem like the answer to the planets needs. However, manufacturing these sources of energy can have just as big an impact on the planet as emissions from traditional fuels.
Biofuels Pros and Cons
The evident pros of using ethanol and biodiesel is the independence they allow from oil purchased outside the United States. The emissions from direct use in vehicles is also far less than those from more traditional fuels like gasoline. The cons of these energy sources may be more detrimental than the positives are beneficial.
Creating biodiesel and ethanol requires more output of energy in the production phases than the amount of energy created from the fuels. Biofuels pros and cons also take into consideration the large amount of land, corn and soybeans needed to create enough fuel to subsidize the current oil needs of the world.
Currently, the biofuels pros and cons are leaning toward the negatives more than the positives. With new advances in alternative energy production this could swing the other way rather quickly. It is important to keep an eye on current and future plans for research and development of real world energy sources that will eventually replace all oil needs in the world.
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