Peru had a policy calling for increasing use of bioenergy, but worried that meeting the water needs of bioenergy would take away from food crops. Even though the cost of biofuel is the same as that of gasoline in the market, they are cost effective as they are cleaner and adaptable to current engines and make them run in good condition for. According to the biotechnology industry organization, by 2022, the biofuel industry is expected to create 190,000 direct green jobs and 610,000 indirect jobs source. The definition of bioenergy, a potential replacement for. Biofuels are combustible fuels created from biomass.
Some experts say that ethanol reduces greenhouse gas emissions up to 65 percent source. Some energy sources are readily available while others are scarce. A very large quantity of corn is used every year in the u. For one, since such fuels are derived from agricultural crops, they are inherently renewableand our own farmers typically produce them domestically, reducing our dependence on unstable foreign sources of oil.
But the best way to make an informed decision on the matter is to study the pros and cons. Mar 11, 2018 there are many environmental benefits to replacing oil with plantbased biofuels like ethanol and biodiesel. Ethanol, in addition to being an intoxicating component of adult beverages around the world and a poison, has assumed a role more recently as a significantly useful and versatile alternative fuel, or biofuel. In my opinion, the research on biofuels should keep going and it would be great if more generations of biofuel appear, then the uses of biofuel can be apply and spread more widely. Though biofuels are environmentally much cleaner than fossil fuels they are not without some complicated issues.
Generations of biofuels objective oregon state university. Advantages and disadvantages of biofuel greentumble. Biofuels are still new to the energy market and very much under scruples both by researchers and general consumers alike. Advantages and disadvantages of biofuels conserve energy future. It would take a considerable amount of time to see a major shift from gasoline to biofuels, due to the massive number of gasonly cars on the road and the considerable lack of ethanol or biodiesel pumps worldwide. The paper further explores the potential advantages and disadvantages. Biofuel development increases demand for scarce water resources. Pappis department of industrial management and technology, university of piraeus, 80 karaoli and dimitriou street, 18534 piraeus, hellas, greece. The biofuel plants encourages new industries that can either use the fuel or the byproducts to make other chemicals or products. Reduce greenhouse gases top 10 advantages of biofuels. Pros and cons of oil and biofuel by jun ho jung on prezi.
There are certain advantages and some disadvantages of biofuels. It might still be a long time for anyone to be reading about cars running on algae biofuel. Meanwhile, the role of socioeconomic factors in the adoption of biofuel production methods is as important as that of technology. Lifecycle greenhouse gas ghg emission reductions associated with a biofuel replacing a petroleum fuel vary with the biofuel and production process, which itself typically generates some ghg emissions. Pros and cons of biofuels academic essay write my essay. This roadmap is intended to summarize the state of technology for algaebased fuels and.
A usda regional roadmap to meeting the biofuels goals of the. The term biofuel is usually used to reference liquid fuels, such as ethanol and biodiesel that are used as replacements. It also discusses important developments in biofuels markets. If countries cut down swaths of rainforest or pas ture land to plant sugar for biofuel, would carbon escape into the atmosphere and cancel out any possible benefits. The important pros and cons using biofuels the new ecologist. Closer to home, the biofuel industry can help local communities by providing wellpaying jobs for individuals and economic development for municipalities. Biofuels are making a resurgence due to increasing oil prices, dwindling fossil fuel reserves, the desire to have a renewable, reliable source of energy and as a way to mitigate the effects of climate change.
This site is like a library, use search box in the widget to get ebook that you want. It has been predicted that with technological advancements, biofuels may be. The biofuel pros and cons are can be summarized into, renewable, selfsustaining, low cost and sovereignty for biofuels pros and water use, low energy output, and negative impact on agriculture prices for biofuel cons. Compared to other renewable energy sources like wind or solar energy biogas can be produced regardless of weather or. May not meet specifications for the same type of fuel it is replacing i. Biofuels are a renewable resource because they are continually replenished. An alternative energy source abstract as the worlds source of fossil fuels diminishes, another source of energy must replace fossil fuels. Dec 16, 2019 10 biggest pros and cons of biofuels dec 16, 2019 apr 6, 2016 by green garage in the search for more and better sources for fuel, consumers are becoming more aware and involved in the production and promulgation of different available alternatives. While the first is a bit beyond the control of biofuel producers, the second is at the core of a potentially serious drawback of plantbased fuels. Dec 15, 2007 the pros and cons of biofuels there have been studies that prove the many benefits of substituting fossil fuels petroleum, etc with biofuels such as biodiesel and ethanol. Biofuel is said to be a great source of renewable energy. Based on this information, you are to write a paper that discusses the pros and cons of biofuel proliferation in the united states. Jun 16, 2014 pros readily available independent of large scale infrastructure burn cleaner than petroleum cons energy intensive to produce compete directly with food crops seasonal. Algae biofuel pros and cons it is given that there are many petroleum experts who are starting to make use of other resources to generate fuel and one of the recent developments made is obtaining fuel from algae.
In general, higher ghg savings with biofuels are more likely when sustainable biomass yields are high and. Are biofuels an effective and viable energy strategy for. Learn the pros and cons of ethanol and its production. And unlike other forms of renewable energy like hydrogen, solar or wind, biofuels are easy for people and businesses to transition to without special apparatus or a change in vehicle or home heating infrastructureyou can just fill your existing car, truck or home oil tank with it. Fuels that have been extracted from plants and crops are known as biofuels. Oct 31, 2012 when it comes to biodiesel energy as a fuel, there are some pros and cons that should weigh in your decision to use this type of bioenergy. Advantages and disadvantages of first generation biofuels bioenergy, particularly biofuels, sustainability is a key aspect of the future energy development. Biofuel, renewable energy source that is derived from plant, algal, or animal biomass. In some cases, these fuels are then mixed with fossil fuels to improve their efficiency.
However, prior to completely trusting this renewable energy source, it is important to know about the pros and cons of using biofuels. Therefore, it is too early to say that biofuels are. These are the many biofuel pros and cons that you should be aware of. These are the biofuels that are produced from food crops. Lets evaluate biofuels as an alternative form of energy and how it works. Economic development top 10 advantages of biofuels. And some energies are readily available, but it is difficult to harness their. The basic composition of butanol consists of carbon, hydrogen and oxygen. In its simplest sense, such biofuels are biodegradable which means they are derived from organic materials. Biofuels are combustible fuels created from biomass 1.
Solar energy does have its pros and cons like most energy sources today but this source has less of an impact on the environment than fossil fuels. The pros and cons of algae biodiesel what are the pros and cons of algae biodiesel. Is biofuel a feasible longterm chief energy source. Feb 19, 2019 using algae as fuel is a promising concept, but more research has yet to be done. Environmental effects below refer to enduse, and do not include effects associated with fuel production and transportation. When the extra n2o emission from biofuel production is calculated in co2equivalent global warming terms, and compared with the. The strategy targets barriers to the development of a. The two most common types of biofuels in use today are ethanol and biodiesel, both of which represent the first generation of biofuel technology. There is no magic wand that can solve all our problems. Biogas is a reliable fuel, which is produced out of renewable resources, other industrial side products or even waste.
However, there are some who oppose this type of renewable energy especially the big companies importing and. This paper seeks to examine the impact of biofuels industry on the pakistan economy. Biodiesel is slowly increasing in popularity, but there are still not that many biodiesel stations out there. Your readings and required multimedia sources this week have provided background into life cycle assessment and biofuel production. Ask any gradeschool student what a plant needs to grow, and he or she will likely mention two things. Jun 17, 2016 okay, im going to frame the question in a way that i can answer. In fact, oil is one of the most efficient energy source on earth, and it is easy to use. Introduction to biofuel april 30, 2009 eep 142 presented by. The pros and cons of algae biodiesel howstuffworks. Section 5, i discuss the pros and cons of the second generation of biofuels, i. Mar 04, 2017 first, the variety of biofuel sources gives hope that technology would eventually develop well enough to reduce costs and carbon emissions from the production process.
The carbon dioxide they emit back to the environment can be absorbed out of the atmosphere by the source plants used in biofuel production. Biofuels for aviation download ebook pdf, epub, tuebl, mobi. A wholesale societal shift from gasoline to biofuels, given the number of gasonly cars already on the road and the lack of ethanol or biodiesel pumps at existing filling stations, would take some time. Nan shi doris chen yu hui becky li songxu daniel wu.
Biomass is organic matter from plants and animals microorganisms. Biofuel vs oil greenhouse gas what is wrong with oil. Biofuels issues and trends energy information administration. Introduction to biofuel university of california, berkeley. The pros and cons of biofuels environmental sciences essay. Deforestation pollution from the agricultural processes. Essay on pros and cons to biofuels 1152 words bartleby. High oilproducing algae strains, harvested daily by environmentally friendly methods, may liberate us from fossil fuel dependency. The water demands of some biofuelproducing crops could put unsustainable pressure on local water resources if not managed wisely. This free course, biofuels, investigates what is meant by a biofuel and covers the advantages of using biofuels compared with fossil fuels. Stated below are some of the significant biofuels pros and cons. It is indeed an end to many of our challenges but it is not an endgame. Biofuel is a fuel produced using modern biological processes such as the anaerobic digestion of organic and vegetable waste, and is used as an alternative to fossil fuels like coal and oil to lower the emissions released by engines. First generation biofuel production has contributed to recent increases in world prices for food and animal feeds.
The use of rapeseed biodiesel represents a good opportunity for the achievement of the european goals. Though corn is the best known source of ethanol, other important sources include soybeans, switchgrass and farm wastes. Studies show that the machinery needed to cultivate the crops emits large carbon emissions. Pros readily available independent of large scale infrastructure burn cleaner than petroleum cons energy intensive to produce compete directly with food crops seasonal. Such an issue is related to the pros and cons of using biofuels to substitute conventional fuels, namely, fossil fuels. The pros and cons of biofuels biofuel guide introduction. Algae biofuel pros and cons hrf health and medical blog. Overall, environmental impacts of biofuel production vary from one geographical area to another. Pros and cons of biofuel energy by jordan hicks on 20161217. Learn more about the types and manufacture of biofuels as well as their economic and environmental considerations. Here we examine both the pros and cons of producing and using biofuel. For now, it would all be just about the production process, and the pros and cons of algae biofuel.
Environmental sciences essay writing service dissertation writing service. Scientists in australia say biodiesel made from cooking oil reduces. Biofuels are not yet poised to completely replace our reliance petroleum. The most obvious pros of using biofuel is the independence it allows from oil that can be bought from outside the united. Ethanol is a small alcohol molecule that burns cleanly. Over the past years, planet earth has been warming up. Photosynthesis is the name process that stores the energy from sunlight in plants. Pros and cons of first and second generations of biofuels. If it would be used during cold climates, the tanks would require heating. Any new fuel types will similarly have to compete with the oil infrastructure to have similar. Biofuel produced from feedstocks with high levels of saturated fatty acids tallow, lard, some yellow grease has a risk of freezing in tanks and. Biofuel production requires food crops which may increase the price of food. Click download or read online button to get biofuels for aviation book now.
A usda regional roadmap to meeting the biofuels goals of the renewable fuels standard by 2022 i. Considering the pros and cons of the biofuels industry the belfer. Biofuels may emit lower carbon footprints but the process involved in the production of these fuels largely depends on oil and water. We attempt to outline the disadvantages that should be considered when a biofuel is being implemented, not to discourage their use, but rather to encourage responsible use of this technology, which is likely to become our predominant source of energy as we transition over to cleaner alternatives in the more distant future. For biodiesel production the feedstocks will include vegetable oils produced from soybean and canola. Biofuel is advocated as a costeffective and environmentally benign alternative to petroleum and other fossil fuels.
Energy return on investment of biofuels reaches a few units, while. Nrel post doc brenna black draws samples from a tubular bag photobioreactor, to inoculate new growth media, at the algal research lab at the national renewable energy laboratory nrel in golden, co. Some common species, like sugar kelp, could become a promising source of biofuels. Water use 10 disadvantages of biofuels howstuffworks. The advantages and disadvantages of ethanol are well understood today. The paper presents the main biofuel types that are used today or can be used in the future, their properties and characteristics, and their production technologies and focuses on the evaluation and main economic, environmental, and social impacts of biofuels, measuring the pros and cons of their use in energy production. For ethanol production, feedstocks will include corn, sugar cane, maize and other types of food crops. Currently, biodiesel is the only biofuel to have successfully completed emissions testing in accordance with the clean air act.
The gel point is a function of the feedstock and the mixture of biodiesel to diesel. A reduced food production can increase the price which may lead to inflation. Debate continues about the relative importance of its pros and cons as a biofuel. Find out the pros and cons of algae biodiesel and decide if the critics of algae biodiesel are right or wrong.
Department of agriculture usda is developing a comprehensive regional strategy to help recharge the rural american economy. The soybeanoil portion is biodegradable, nontoxic, odorless, and essentially free of sulfur and aromatics. But just like any other alternative sources, algae biofuel has its shares of pros and cons. Reduces problems associated with cold weather, stability. Have students brainstorm some possible pros and cons for each generation of biofuels. The pros and cons of reusable and non reusable energy sources 1727 words 7 pages. Biofuel cons organic sources can be seen competing with cash crops as farmers look for a better profit margin. Seaweed or macroalgae is a large, diverse group of aquatic plants. According to nasas goddard institute for space studies, average temperatures have risen around1. However, we need to consider the pros and cons of algae biodiesel before investing in this technology. Jun 05, 2018 there are pros and cons to every energy source, pros, and cons by which we judge the value of an energy source. Algae can be grown in openpond systems or in closedtank bioreactors. A survey of research findings focusing on issues related to the pros and cons of using biofuels to substitute conventional fuels, namely, fossil fuels is presented in this paper.
Biofuels with the increased use of biofuels there will be an urge to grow more of the crops meant for biofuel production instead of food crops. What are the pros, cons, and cost of using ethanol. As the name suggests, biofuels are derived from plant and their products. This article outlines the three generations of biofuels available, describes their source materials, and furthermore, breaks down the facts about biofuels to a. This means they are a safer alternative to lower air pollution and to preserve atmospheric quality. Energy information administration biofuels issues and trends 3 introduction this biofuels issues and trends report presents data on biofuels consumption, production, imports and exports, including data collected by others than the u. The government appears to have put all its eggs in only one basket by making a major announcement to incentivize and go allelectric by 2030.
Alternative energy sources, clean fuels, and biofuels. In this paper, the pros and cons of alternative energy sources are discussed to see if they are the. Even though the cost of biofuel is the same as that of gasoline in the market, they are cost effective as they are cleaner and adaptable to current engines and make them run in good condition for a longer period. The initial cost of installation is expensive but the funds put in can be recovered over time and with further research advances in more rugged and efficient cells will require little to no maintenance. This means biodiesel wouldnt be feasible to use in all regions and climates.