Biofuel is a type of energy derived from renewable plant and animal materials. A division of adm based in germany that focuses on the production of biodiesel from rapeseed and grain. A technical definition that focuses on lifecycle greenhouse gas emissions is included in the renewable fuels standard of the energy independence and security act of 2007. Introduction to biofuel uc berkeleys department of agricultural. Life cycle sustainability assessment and multicriteria decision making provides a comprehensive sustainability analysis of biofuels based on life cycle thinking and develops various multidimensional decisionmaking techniques for prioritizing biofuel production technologies. Nan shi doris chen yu hui becky li songxu daniel wu. In view of the coronavirus pandemic, we are making live classes and video classes completely free to prevent interruption in studies.
Any fuel that is obtained from a renewable biological resource, especially from biomass 2012, george monbiot, guardian weekly, august 24, p. This roadmap is intended to summarize the state of technology for algaebased fuels and. For the sake of consistency usda chose to use those definitions in the context of this report. Biofuels definition of biofuels by the free dictionary. These usage levels have raised concerns about the impact of biofuels on world food supplies and prices. Whereas oil is a limited resource that comes from specific materials, biofuels can be manufactured from a wide range of materials including crop waste, manure, and other byproducts. Transport biofuels tracking transport analysis iea.
Biofuels produced from microalgae and cyanobacteria 1 offer potential advantages over terrestrial plantbased biofuels, such as high biomass productivity. Annie dufey, 2006, biofuels production, trade and sustainable development. The plant will eventually produce about 900,000 tons of pellets per year, making in the largest in the world once operational. Although fossil fuels have their origin in ancient carbon fixation, they are not considered biofuels by the generally accept.
Global biofuel production is not increasing quickly enough to meet sds demand. Biofuels made from renewable biomass are promoted as offering greenhouse gas ghg emissions savings and as one of the few options to replace liquid fossil fuels for transport. The rest of the paper gives an overview of the contents of standards and explains how to use them as a supporting tool for businesses. Transport biofuel consumption needs to triple by 2030 to 280 mtoe to be on track with the sustainable development scenario sds.
Biofuel is advocated as a costeffective and environmentally benign alternative to petroleum and other fossil fuels. Domestic production of renewable fuels, including algal biofuels, has the potential to meet the dual goals of improving energy security and decreasing greenhousegas ghg emissions from the transportation sector in the united states. Goj aims to offset reductions in petroleum use by an overall reduction in energy consumption, as well as greater reliance on nuclear and renewable energy. This publication is a science for policy report by the joint research centre, the european commissions inhouse science service.
Biofuels and biological detergents definition, examples. Introduction to biofuel april 30, 2009 eep 142 presented by. The main drivers behind government support for biofuels in oecd countries are concerns about climate change and energy security, and the political will to support the farm sector through increased demand for agricultural products. The stud y aims to illustrate the current state of solid. For example, renewable fuels must account for 10% of transport fuel by 2020 in the european union eu 1 1 and 36 billion. The material in this paper may be reproduced for noncommercial purposes provided full credit is given to the author and to iied. With the increasing worldwide demand of energy along with the depletion of conventional fossil fuel reserves, there has been growing global interest in developing alternative sources of energy. Biofuels are gaining increased public and scientific attention, driven by factors such as oil price hikes, the need for increased energy security, concern over green. Biofuel, renewable energy source that is derived from plant, algal, or animal biomass. This book gives a broad overview of the key topics in this field of study, approaching them from a technical and economic angle giving the reader a comprehensive insight into biofuels as a whole. Metis definition of renewable energy sources includes biomass including biofuels, solar, wind, geothermal, hydro, and heat energy reutilization.
Biofuels can be defined as liquid fuels produced from biomass for either. As a first step, some pioneering airports have already incorporated bio. Biofuels are gaining increased public and scientific attention, driven by. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. In the early 19th century, the term fossil fuel was used to refer to fuels such as coal, oil, and natural gas which were formed from the remains of plants and animals buried beneath the earths surface for millions of years. Biofuels are products that can be processed into liquid fuels for either transport or heating purposes. First, second and third generation the 2nd generation biodiesel includes liquid fuels derived from jatrapha seed oil and from a catalytic conversion pro cess of. This equates to 10% of global transport fuel demand, compared with the current level of around 3. An example of this process technology links sugar production to algal photosynthesis. A usda regional roadmap to meeting the biofuels goals of. Hybrid and thermochemical processes for ethanol production from cellulosic biomass. A biofuel is a gas, liquid, or solid from natural sources such as plants that is used as. Biofuel is a type of fuel whose energy is derived from biological carbon fixation. The mono alky esters of long fatty acids derived from the renewable lipid feed stock such as vegetable oils or animal fats for use in diesel engines is known as biodiesel.
Sugar cane ethanol provides greater ghg emissions mitigation, and secondgeneration biofuels have still larger mitigation potential. Biodiesel is a fuel equal to the petrodiesel, the definition of biodiesel is as follows. The search for sustainable energy sources has become a worldwide issue, making the development of efficient biofuel production processes a priority. Examples of biofuels include ethanol often made from corn in the united states and sugarcane in. 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. Energy information administration biofuels issues and trends 1 highlights biofuels is a collective term for liquid fuels derived from renewable sources, including ethanol, biodiesel, and other renewable liquid fuels. Developing and promoting biofuels for aviation will be essential to reduce carbon emissions from commercial aviation.
This means that new and growing markets will need to emerge in africa. Introduction to biofuel university of california, berkeley. Biofuels can be used in internal combustion engines, as a. Part ii biofuels from chemical and biochemical conversion processes and technologies 95 5 production of biodiesel via chemical catalytic conversion 97 r. Click here to learn the concepts of biofuels and biological detergents from biology. Usda biofuels strategic production report june 23, 2010 4 provides a specific definition of renewable biomass and places constraints on the types of land from which renewable biomass can be collected or harvested. Biofuel definition and meaning collins english dictionary. Taking a transversal approach, the book combines life cycle sustainability. Biofuels presentation free download as powerpoint presentation.
A chemical reaction in which acid is used to convert starch or cellulose to sugar. This report focuses on ethanol and biodiesel, the most widely available biofuels. Biofuels for a more sustainable future 1st edition. Repeated batches as a strategy for high 2g ethanol production from undetoxified hemicellulose hydrolysate using immobilized cells of recombinant saccharomyces cerevisiae in a fixedbed reactor. Introduce students to the 3 generations of biofuels and the vocabulary and ideas behind biofuels. A biofuel feedstock is defined as the raw material or biomass used to manufacture the biofuel. Generations of biofuels objective oregon state university. Characteristics of biofuels definition of biofuels biofuels are liquid fuels, which are made from a variety of sources of biomass. An overview of the presentation introduction what are biofuels classifications generations of biofuels sugarcane as biofuel maize as biofuel rice as biofuel mustard as biofuel jatropha as biofuel castor biodiesel positives of biofuel global benefits disadvantages of.
Biofuel definition, fuel, as wood or ethanol, derived from biomass. One relatively welldefined approach for ethanol production is the use of separate hydrolysis or. Energy security secure access to energy is a longstanding concern in many countries. Biofuels issues and trends energy information administration. Future growth in crop and biofuel yields will probably allow corn ethanol and soy biodiesel to. A fuel, such as biogas or biodiesel, that is produced from renewable resources, especially plant biomass, vegetable oils, or treated municipal and. Biofuels production, trade and sustainable development. Special focus is given to the use of metabolic engineering of microbes, including bacteria, yeast and microalgae, to enhance biofuel production. The usage of the vegetable oil as a source of fuel is as old as the diesel engine. Mandatory targets for introduction and blending of biofuels have been introduced. Learn more about the types and manufacture of biofuels as well as their economic and environmental considerations.
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