Fossil fuels comprise 80 percent of current global primary energy demand‚ and the energy system is the source of approximately two thirds of global carbon dioxide emissions as of 2015 (Foster and Elzinga). For decades‚ people have argued about whether fossil fuels are helpful to the planet and sustainability. Although‚ there is no right or wrong answer because renewable and non-renewable resources have disadvantages and advantages. There are very many different variables to be considered in this
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INTRODUCTION According to Wikipedia‚ fuel is any material that stores energy that can later be extracted to perform mechanical work in a controlled manner. A fuel contains energy‚ mostly heat‚ which can be released and then manipulated. Most fuels used by humans undergo combustion‚ a redox reaction in which a combustible substance releases energy after it ignites and reacts with the oxygen in the air. Other processes used to convert fuel into energy include various other exothermic chemical
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Using ethanol as an alternate fuel‚ or fuel extender includes a heterogenous agglomeration of advantages and disadvantages. On cars: ethanol is preferable to lead as an octane booster. A 10% addition of ethanol to petrol is more effective than lead at boosting octane rating (+2.5) and making car run smoother. It’s cheaper than lead‚ and ethanol-blended fuels leave no gummy deposits‚ thus keeps engine clean. Although a minimal 10% ethanol blend should be compatible with internal combustion engines
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A “Hedge” of the Pack: A Review of Southwest Airlines Innovative Fuel Strategy While many airlines suffer from rising fuel costs‚ Southwest Airlines continues to emerge victorious in the aeronautical landscape. Other carriers now forced to increase prices to compensate for fuel costs‚ are now subject to the new mindsets of consumers who are opting for longer bus and car rides‚ or simply not traveling at all. The woes of the airlines industry have many posing the question if airline travel
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The main factors of this article called “Methanol--the fuel in Waiting” explains how Methanol could both have positive and negative effects in the environment and the economy. The article discusses how methanol could be another alternative to gasoline and it is a made from natural gas‚ which makes it easier to make and use. Methanol (see Figure 1) is that it is the simplest alcohol with a chain of one carbon atom with three hydrogen atoms attached. The characteristics of this simple alcohol are
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Mapape dust Fuel Briquette Mango (Mangifera) Papaya (Carica) Sawdust Fuel Briquette Researchers: Shean Kyle L. Cañaveral Riz Bernice B. Abuzo Jules Lyndon A. Dorongon Melba A. Del Rosario Research I – B Adviser Mrs. Ramonita F. Calumpang ABSTRACT The study aimed to produce a fuel briquette which is easy to make and affordable. The chief ingredients of the said product are mango peelings‚ papaya peelings‚ and sawdust. The researchers gathered all the equipments and ingredients
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Hendershot Fuel Less Generator 2 Hendershot Fuel Less Generator What is a fuel less generator? All over the world‚ people live with the idea that it’s necessary to burn fuel in order to produce power that we can use. We have been persuaded that we have to buy coal‚ coke‚ timber‚ kerosene‚ gasoline‚ diesel‚ propane etc to burn‚ so that we can obtain our precious energy. And yes‚ it is perfectly true that burning these materials will indeed result in energy. And yes‚ we need it
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Fuel Hedging in the Airline Industry: The Case of Southwest Airlines By Dave Carter a‚ Dan Rogers b‚ and Betty Simkins c a College of Business Administration‚ Oklahoma State University‚ Stillwater‚ OK 74078-4011‚ Phone: (405) 744-5104‚ Email: dcarter@okstate.edu b School of Business Administration‚ Portland State University‚ Portland‚ OR 97207-0751‚ Phone: (503) 725-3790‚ Email: danr@sba.pdx.edu c CONTACT AUTHOR: College of Business Administration‚ Oklahoma State University‚ Stillwater
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Even as fuel prices have witnessed the ups and down in the recent times‚ vehicle lovers and commuters are approaching auto experts to learn tips not only to maintain the engine efficiency but also to save the fuel. People are gradually feeling the importance of conserving fuel and saving money as well. "We are asked to give tips to save fuel by customers‚" said a petrol pump employee near Hanuman Temple‚ adding that the consumers have become more aware want to have more tips and directions to save
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Fuel injection in diesel engines [edit] Mechanical and electronic injection Older engines make use of a mechanical fuel pump and valve assembly which is driven by the engine crankshaft‚ usually via the timing belt or chain. These engines use simple injectors which are basically very precise spring-loaded valves which will open and close at a specific fuel pressure. The pump assembly consists of a pump which pressurizes the fuel‚ and a disc-shaped valve which rotates at half crankshaft speed
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