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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ETHANOL (E85): Types of fuels are ethanol‚ natural gas‚ diesel and hydrogen. Ethanol is simply grain alcohol obtained from corn. The corn is ground to powder form and mixed into a mash that is distilled to obtain ethanol which is a flammable liquid and then used as fuel. The ethanol could be mixed with gasoline blend in order to obtain reduced cost. In addition‚ the emission of Co2 would be reduced‚ but not completely eradicated because of its content of 90 percent gasoline and 10 percent ethanol
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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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Eric Smith Christine Hill Organizational behavior January 24‚ 2013 Case Analysis: John Mackey‚ Whole Foods Market 1. What role‚ if any‚ does McGregor’s Theory Y play at Whole Foods? Explain. According to Kreitner and Kinicki (2013) McGregor contrasted two views on human nature by insisting that Theory Y assumes that people are more positive at work‚ and believed managers could accomplish more by viewing employees as such (p.9). The other outdated theory‚ is Theory X‚ which is a more
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Fossil Fuels are the most important energy sources in our world today. Due to the importance of fossil fuels‚ it made a huge impact on political issues. In this essay‚ I argue that political pressures surrounding fossil fuels can often lead to unrest and even war. These situations can lead to extreme social hardships. Even if a country is cash rich‚ the delivery system and dangerous situations involving social unrest may mean that many people never see many of the benefits of fossil fuel money. The
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Alternate Fuel Source for Cars Petroleum is the most commonly source of fuel‚ even with the other sources such as electricity‚ liquefied petroleum gas‚ hydrogen‚ and solar powered cars There are wide ranges of automobiles used around the world. Mostly all automobiles are powered by petroleum. With increasing concerns about pollution and other toxins in the atmosphere‚ the industry is forced to look into alternate forms of fuel. In the past scientists have been looking into solar and electrically
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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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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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Synopsis Baby Food Singapore examines the trends in the Baby food market for 2006-2012‚ with forecasts to 2018. It examines how live birth rates‚ breastfeeding trends‚ the economic crisis‚ new product and packaging developments‚ changing attitudes and safety concerns have affected the market for baby milks‚ cereals‚ meals‚ drinks and finger foods. Description The primary determinant of the baby food market has been the birth rate. Between 2006 and 2011‚ the number of births fluctuated at around
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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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