the key sources of energy means; fossil fuels are being depleted in a rapid mode which reflects that we need to concentrate over alternative sources of energy that could also prove to be eco-friendly. But‚ before discussing that it should be better to have an idea about the current scenario and where we are standing today in context of availability of energy resources. At present‚ approximately 80 percent of the energy used by us is supplied via fossil fuels which are called non-renewable energy
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Alternative Fuels Rebecca Holder‚ Linda Williams‚ Caprice Harris COMM/215 July 15‚ 2013 Dr. Lonnie McCray Alternative Fuels This assessment will focus primarily on the use of alternative fuel vehicles at Lotus Rental Car’s‚ discussing the advantages and disadvantages of alternative fuels and the impact it will have on the American public. With gas prices increasing daily‚ renting a vehicle is becoming a fast growing decision for families going on vacation and people who make their living
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today. I am goanna talk about fuel prices. The issue of fuel is very complex. First‚ what is fuel? It is material such as coal‚ gas‚ or oil that is burned to produce heat or power. And these 3 energies occupy the major parts of fuel use. In the past few years‚ fuel prices went up rapidly. Each country is very sensitive on the price. What causes fuel prices to rise and fall? For instance‚ let us have a look at oil. There are two main reasons - the cost of crude oil and the cost of refined petrol
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publicly traded oil and gas producing company. ExxonMobil does business in 200 countries world-wide (1). Some countries are designated for exploring gas and petroleum‚ and some are designated for manufacturing chemicals‚ lubricants‚ and market fuels (1). ExxonMobil ’s world-class petroleum portfolio gives access to proven reserves of 21.9 billion oil-equivalent barrels of oil and gas‚ which is the highest in the industry (1). The company ’s discovered resources consist of 72 billion oil equivalent
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The big problems of the electoral system were particularly evident in the 2000 elections: There may have been significant discrepancies between the voter decision and the electoral vote; a candidate who obtains the most vote’s nationwide‚ does not necessarily have to combine the most electors. Al Gore won in 2000‚ the absolute majority of votes‚ but received fewer votes in the Electoral College as his opponent George W. Bush. Another disadvantage is the focus of the candidates on states where pollsters
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Various types of Fuel Cells and their working By : Divykant Vishwakarma 03996404910 EEE 2nd shift S.No. 14 Fuel Cell A fuel cell is a device that converts the chemical energy from a fuel into electricity through a chemical reaction with oxygen or another oxidizing agent. Hydrogen is the most common fuel‚ but hydrocarbons such as natural gas and alcohols like methanol are sometimes used. Fuel cells are different from batteries in that they require a constant source of fuel and oxygen/air
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LIQUID AND GASEOUS FUELS Dr. Noaman Ul‐Haq Solid‚ Liquid and Gaseous Fuels available Commercially l bl ll Solid Coals Cokes Briquetted Solid Pitch Coal Middling’s Liquid Gasoline Kerosene Diesel Fuel Oils Fuel Oils Coal Tar Fuels Tar Gaseous Natural gas LPG Blast Furnace Gas Coke Oven Coke Oven Gas Producer Gas Coal gas MAIN FACTORS FOR THE SELECTION OF FUEL A number of factors are to be considered A number of factors are to be considered when a fuel or a type of fuel is chosen for a
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Ethanol‚ a Fuel? Ethanol fuel is a type of alcohol found in alcoholic beverages that is often made from common agricultural products. It is either mass-produced by fermentation of sugars or from cellulose. Wheat or corn kernels are ground in a hammer-mill to expose the starch‚ the ground grain is then mixed with water‚ heated briefly and enzymes are added to convert the starch to sugar using a chemical reaction called hydrolysis. Yeast is added to ferment the sugars to ethanol and finally the
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The presidential election in 2000 between George W. Bush and Al Gore was a close race‚ unfortunately for Al Gore‚ the election was not fair. When Florida voted the first time Bush won all 25 electoral votes‚ he won by 15‚000 votes. Palm Beach county in Florida demanded a recount because many citizens believed they voted for the wrong person due to the confusion of the ballot. The machine which counted the votes didn’t count correctly and somehow took away thousands of votes away from Gore and gave
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Developing Fuels Revision questions and suggested answers 1. Define ΔHfθ and ΔHcθ ΔHfθ the enthalpy change when 1 mole of a compound is formed from its constituent elements in their standard states measured under standard conditions ΔHcθ the enthalpy change when 1 mole of a compound undergoes complete combustion measured under standard conditions 2. Write an equation for the enthalpy of formation of butane C4H10 4C(s) + 5H2(g) C4H10(g) 3. Write an equation for the
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