How Do Biofuels Operate
Biofuel is a solid, liquid or gas fuel that is produced from recently decomposed organic material. This is what makes it different from fossil fuels like crude oil. The fossil fuels are made from dead plants and animals that were buried in the earth centuries ago. Biofuels are increasingly being used as alternative fuels to run vehicles and as gas in cooking stoves. |
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Since olden times, man has used biofuel. During earlier times it was used in cooking and heating. After the discovery of electricity, biomass was also used to power generators. However, their use was discontinued following the popularity of fossil fuels like coal and petroleum. These fuels were cheaper to use then. However, the world is now facing energy crisis. This has prompted many to look at biofuel as alternative.
Biofuel is produced from recently living plants, animals and their by-products. This is a renewable form of energy and requires only carbon dioxide for conversion into fuel. Waste material is available everywhere. Scientists are looking at ways to transform this waste in to biofuel. Alternatively, many countries are growing crops like corn, sugar cane, beet root etc, to especially produce biofuel from them. These are plants high in either sugar or starch content. Also, plants rich in vegetable oil are being grown. A major requirement is that vegetable oil needs to be pre-heated to reduce their viscosity. These oils can then be directly used in engines as fuels.
Some forms of biofuel that can be used to run vehicles are, vegetable oil, biodiesel, bio-alcohols, biogas, solid biofuels and syngas. All these biofuels are produced without the expulsion of carbon dioxide in the air. The reason is that the plants that decay to produce the fuel have already removed carbon from the atmosphere. This process is unlike that of fossil fuels where carbon dioxide is released in to the air. Hence, by making use of biofuel, greenhouse and toxic gas emissions are greatly reduced. This helps in bringing down the level of global warming.
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Switching from fossil fuels to biofuels is going to help the world at large. It will reduce our dependence on foreign countries for oil. Also it will help put an end to the energy crisis that the world is facing. Biofuel is helping our community overcome the many difficulties faced due to depleting natural resources. Let us look at some of the benefits it has to offer. 
