Advantages of using CNG

Advantages of using CNG Appeared like a monster for the first time in 1999 and threatened all Egyptians, it was huge, dangerous and cruel. So the Egyptian government declared the war against it, and started to take serious actions. Now its 2009 but no change, its still there darkening the skies of Cairo from October to December causing a lot of environmental and health casualties. Apart from the gray looking skies and awful smell spreading in cities, the Monster causes Respiratory problems. Mahmoud Abdel Majeed, head of Abbasiya Chest Diseases Hospital, said, People suffer from breathing difficulties, coughing and sometimes respiratory failure which requires artificial respiration. Adding that children and the elderly were the most at risk. Most of you now know who the monster is, its the BLACK CLOUD. Funny enough that its not a natural phenomenon but it is mainly caused by us!! According to some statistics its said that 40% of the pollution is from the burning of rice straws, another 23% from vehicle fumes as Cairo now has about 4.3 million vehicles in its streets. Factory emissions also cause 23% and 6 % from burning of wastes. We need solutions! One of the solutions is to use Compressed Natural Gas (CNG) as a fuel for cars instead gasoline. Natural gas cars are not different from gasoline fuelled cars except that the natural gas cars are fuelled by CNG not gasoline. And its mechanism is so simple; when u start your engine, the CNG enters a regulator that reduces the pressure before entering the fuel-injection system. The gas is then mixed with air and injected into the cylinders of the engine where its ignited by a spark plug resulting in an explosion which is used to drive the piston. CNG is not only good for the environment but also as for individuals there are other benefits. Using CNG is a new revolution which has economical, environmental and technical pros, yet not all people use CNG as a fuel for their cars for different reasons. CNG is quite economical; its about third of the price of regular gas, good news for the low paid and taxi drivers. Also people who own a natural gas car will have some tax incentives; the government makes them pay fewer taxes as a reward for contributing in protecting the environment from pollution. Further more, the cost of maintenance of natural gas cars is very low in long term compared to that of gasoline cars. From all sides, CNG is quite more economical than gasoline. The main advantage of using CNG as a fuel is because its environmentally friendly. Since it is the cleanest burning fossil fuel, as methane burns cleaner than petroleum fuels. According to a report by the Air Pollution Research Department at the National Research Center in Cairo, it was found that, compared to petrol, CNG has a vital potential to reduce carbon monoxide, hydrocarbon and carbon dioxide concentrations in exhaust released from electronic fuel-injection and well-carbureted engines by an average of 73 percent and 66 percent, 39 percent and 31 percent and 21 percent and 19 percent, respectively. With these figures, CNG became a friend to the environment and people as well, since it causes no or less negative health effects than the petroleum or gasoline. Using CNG also has some technical advantages. CNG gives a high compression ratio, which means that most of the fuel is burnt. The advantage of high compression ratio is that it gives the engine a higher horsepower ratio resulting in a high performance engine. One of the best things about CNG is that u can convert your car to be natural gas fuelled. The conversion process is an easy process; it is simply fitting storage tanks in the trunk of the vehicle and installing injection nozzles in the engine. After this u will have a bi-fuel vehicle! Bi-fuel vehicles have the capability to switch between using gasoline and other fuel like CNG manually or automatically to run the car, what do we need more!! But what makes some people refuse or afraid to convert their cars to natural gas cars? Well, like everything in the world, CNG has some disadvantages too. First, the conversion process can be costly as he/she will have to buy the conversion kit and pay for the mechanic who will convert it. Yes CNG is cheaper in price, but this is when you refill your car but when it comes to conversion, it can be costly. Another disadvantage is

Building a Fire to Fight Nature Essay

Jack London’s title for the story â€Å"To Build a Fire† starts the reader off with a very basic idea; building a fire. Almost anyone can build a fire. All it takes is a match and some kindling. London’s story is about more then building a fire, though. This story is about a man’s belief in himself, self-confidence and even arrogance, to such an extent that he doesn’t recognize the power of nature around him. London’s story is more like a â€Å"Man against Nature† story. London’s â€Å"To Build a Fire† casts a clear image that in the ever long-lasting battle between man and nature, nature is not a force that should be reckoned with. The author’s characters are even very general. The main character of the story is never given a name except to be called a â€Å"chechaqua† or newcomer in the land. â€Å"The constant struggle of Man against the natural world and physical forces which threaten to undo him at any moment is expressed greatly by this story.†(Colin) This is not a story about one individual person or one isolated incident, but a story used to illustrate a larger continuous gamble or battle between man and nature. London spends the first few paragraphs setting the physical scene. The setting is in Alaska along the Yukon River. It is close to the end of winter but the sun is still not yet in the sky. It is mentioned that this does not bother the man. The rest of the setting is described around the man and the places he has passed on this current journey and where else the trail leads in other directions. The description of the scenery is one of the most intriguing aspects of this story. London had a way of almost making the reader feel cold for the man in the story just by his descriptions of the surrounding territory. â€Å"The Yukon lay a mile wide and hidden under three feet of ice. On top of this ice was as many feet of snow. It was all pure white, rolling in gentle undulations where the ice jams of the freeze-up had formed. North and south as far as his eye could see, it was unbroken white..†(Charters, 910) The scene is set as beautiful, peaceful and cold. The harshness of this physical setting begins to become more and more clear as the story  progresses. Later the man notices that his spit is cracking and freezing before it reaches the ground. He remembers that at fifty degrees below zero spit will freeze when it hits the ground. â€Å"Undoubtedly it was colder than fifty below.†(911) This also means that there is at least 107 degrees of frost if it is truly 75 degrees below freezing. To increase the readers awareness of the cold, London describes how the mans breath is freezing on his whiskers and beard, the man is also chewing tobacco and with the temperature as cold as it is his cheeks and lips are numb and his spit tends to just end up on his beard and freezes in seconds. This man must be out of his mind to be out in the wilderness in these extreme climate conditions. â€Å"Seeing a man that oblivious to the dangers of traveling alone in colder than fifty below weather, walking on ice, and making a fire under a snow covered tree should be enough to substantiate that he was not unlucky but just plain stupid!†(Wilson) The man starts to grow this â€Å"crystal beard of the color and solidity of amber.†(912) The surroundings are beautiful, peaceful and cold but the man did not see the danger that nature could bring upon him. That it was too cold out to travel or that it could get worse â€Å"was a thought that never entered his head.†(912) The man had a native of the land with him. â€Å"At the man’s heels trotted a dog.†(911) No name is ever given to the dog in the story. Another way for London to keep the story general and the focus on the theme. The dog is a big, native Husky, a brother to the wild wolf it had the instincts to respect nature. The dog knew the temperature was too cold to be traveling but stayed at the man’s heels. The dog plays a dual role in this story. He plays the man’s conscience and natures voice and personification. â€Å"Often a dog can reflect the same personality and character traits as it’s owner. Dogs are extremely intelligent creatures and will reflect and behavior that they are exposed to for lengthy periods of time.†(Feinson, 127) The man treats the dog the same way he treats nature; with no respect. The dog is just a tool, a sled dog and later considered expendable to possibly save the man’s life. The man treats nature much the same way. The dog also shows at  the end how nature moves on. The dog stays to watch the man as he dies and once the dog realizes the man is dead he runs off to the cabin where there are â€Å"other food providers and fire providers†(921) The protagonist in the story is the unnamed man. He’s a â€Å"newcomer† to this area of Alaska and it his first winter. He is on his way to a cabin at a claim where he will meet up with â€Å"the boys.† London refers to him as a man without â€Å"imagination† but, â€Å"quick and alert in the things of life.†(910) It is this lack of imagination that makes the man unable to believe or heed the warnings of the veteran Alaskan men who told him not to travel alone when it is fifty below. One needs to have a second person to try and start a fire if the first person should fail. But, the man in the story is over confident. He stops once and makes a fire without a problem to thaw his face so he can eat his lunch. The man doesn’t notice how much the dog wants to stay at the fire. He doesn’t respect the instincts of the native animal. The trail follows along a creek, which is frozen but has natural springs along it that create small pools of water with thin ice and coatings of snow to cover them up. The man almost prides himself on how well he can spot these warning signs of possible danger. He also is increasingly happy with the pace he is keeping. The man soon falls into one of nature’s little traps, a small pool of water, and has only a few minutes to build a fire and get warm and dry before he freezes to death. He tries to stay as calm as possible but in his haste doesn’t pick a good spot to build a fire. He realizes too late when the heat from the fire he has just built starts to melt the snow in the tree branches above him and drops down smothering the fire. â€Å"A man alone in the wilderness coupled with stupidity is a deadly combination. To deal with nature takes skill and know-how, this man seems to have neither, he was doomed from the moment he went off alone.†(website) When it is 75 degrees below freezing one person doesn’t have a second chance to build a fire. The temperature is just too cold and exposed parts of the body will start to freeze. The man still believes in his strength to overcome the power of nature and continues to try and build a fire. He doesn’t succeed and at the end accepts his fate and falls asleep thinking about the next day when â€Å"the boys† would find him. The  story is an illustration of what can happen to a person that doesn’t respect nature and its power. â€Å"This is the story of a man’s struggle against nature, trying to survive against impossible odds in a universe indifferent to an individuals fate.†(909) The man was so confident in himself that he traveled with nothing but his lunch and a few matches and birch bark to start a fire. â€Å"He has also been warned not to travel alone in such cold, but he goes anyway, with only his dog and confidence for a companion.†(Synopsis, 220) He has no company, or supplies for the possibility he may confront some type of danger. Whether the danger be with another animal or with his surroundings. The short version of the story was originally published in the Boy Scouts of America Handbook. Any Boy Scout might remember the story form when they were a kid and the lessons that were taught from it when they were younger. They were taught to respect nature for what it is, what it can do, and of course, to always be prepared. If you aren’t, nature will take it’s toll, and what a deadly toll it can be.

Mgt/Swot Analysis - 2198 Words

Pfizer s SWOT Analysis MGT/521 June 8, 2011 Professor Craig Clark Pfizer s SWOT Analysis Pfizer has come a long way since its modest beginnings in 1849, when it founded by cousins, Charles Pfizer and Charles Erhart and their sole product was citric acid, which would lead to the development of penicillin. Today Pfizer is the world’s largest research-based pharmaceutical company. The company consists of three Strategic Business Units: Health Care, Animal Health, and Consumer Health Care. Pfizer’s portfolio consists of 168 prescription products which is a big accomplishment since its inception 162 years ago (pfizer.com, Janu). However, as a mutual fund’s manager, one must look at various analytical tools and resources in deciding†¦show more content†¦The company had record sales of $67.8 billion (Pfizer, Marc). This growth was driven by acquisition of Wyeth products, sales in the other two strategic business units, and cost containment measures. Pfizer also increased their global revenue by 41% (Pfizer, Marc). This has created a strong cash flo w to reinvest in RD, marketing, and acquisitions. Pfizer could not achieve its goals without a sales force. The sales force will help determine company profits and revenues, in addition to, educating physicians about products. Pfizer recruits top sales professional with a range of education and experience. The training pharmaceutical sales representative receive are considered the best in the industry. Therefore, this makes the sales force unique and expensive to replicate by other companies, notwithstanding, Pfizer has the largest sales force in the industry. This part of the SWOT analysis will look at weaknesses. As stated under strengths, Pfizer is the largest pharmaceutical company in the world. However with this distinction come challenges. Integration of large acquisitions does not necessarily translate into and excellent return on investment. 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How Can Effective Collaboration Improve The Performance Of...

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(2008) collaboration is way that a team go through by the steps like working in a group, asking the questions to each other, focus on a goal and achieving the goal. Team collaboration is not a new idea, even it has being used from long times. The main buildings of old times are good example of team collabo ration. By the changing of time the new innovations have invented and team collaborations is totally changed in now days. The new online tools are invented which are more focused on collaboration and helpful to improve the quality and quantity of a firm’s output. In the modern era, there are many system in use by the companies which needs teamShow MoreRelatedTeam Performance And Patient Safety Initiatives1305 Words   |  6 PagesTeam Performance and Patient Safety Initiatives Patient safety and quality care is the center of every health care provider’s initiatives. 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