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engligh 110 final research paper

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steve sheaffer

on 28 April 2010

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Transcript of engligh 110 final research paper

Double click anywhere & add an idea Fuel Efficent Cars
alternative fuels
Imagine going zero to sixty in 3.7 seconds without burning a single drop of fuel. Impossible a mere ten years ago is now not only possible, but is also being mass produced and sold to the public. The Tesla Roadster is one hundred percent electric, and is currently being sold for 130,000 dollars. For obvious reasons the Tesla Roadster is not a practical car for everyone looking to make an earth-friendly purchase. Luckily many of today’s car manufacturers have at least one if not multiple hybrid, or flex-fuel models. Such models like Honda’s Insight, or Toyotas Prius, as well as American made models like Ford’s Fusion, or the new line of flex-fuels introduced by GM are all marked near or under 20,000 dollars. What is the difference between hybrids and flex-fuel cars? A hybrid is a car that is powered partially by gasoline, and partially by a battery, or batteries. A flex-fuel car is specially made to run on a blend of gasoline and any type of ethanol or E85. It may costs more to buy a hybrid off a lot than a flex-fuel car, the advantages of a hybrid is astounding compared to a comparable flex-fuel car. Because the flex models run on eighty five percent ethanol, they need more fuel than a gasoline burning car. On average they need about fifteen percent more fuel which in turn makes owning a flex-fuel car cost “hundreds of dollars more per year” (EPA estimate). A hybrid increases fuel economy by twenty five to forty percent. And all carbon monoxide relations to a car are directly related to the amount of fuel burned. So hybrids also release twenty five to forty percent less harmful emissions. Some possible alternative fuels include Ethanol (E85), Methanol (M85), Hydrogen, Compressed Natural Gas (CNG), and Biodiesel. Ethanol (ethyl alcohol) is obtained from corn and can produce more horsepower than a traditional gasoline combustion engine. Alongside with ethanol, methanol or M85 is also being researched and prototypes have already been made. This is a fuel made from the distillation of wood, creating wood alcohol. The M85 equation is about the same as the E85, with the same drawbacks. Hydrogen happens to be the most abundant element on earth. Hydrogen can be used in specifically altered combustion engines to electrically power a car. When gasoline has gone through a combustion engine the byproduct is a carbon monoxide filled emission of gasses. Specifications of emission standards as well as the use of a catalytic converter do filter the gasses but only to an extent. The byproduct of a hydrogen powered car is water. Not a lot of testing or researching has been done on using natural gas as a fuel; however it is known that when using compressed natural gas (CNG) it is possible to power a combustion engine. Natural gas must first go through a refining and separating process which requires energy. This separates natural gas from contaminants and other useful fuels. After this process the natural gas has to be compressed, this also requires money and energy. Then finally when the gas is compressed it still is equivalent in energy to one third of that of gasoline. This means that a bigger and more expensive gas tank is needed. With very little altering to a stock petroleum diesel car or truck, it can be run completely on Biodiesel fuel. Biodiesel fuel is any kind of vegetable oil, chicken fat renderings or peanut oil, including used fry oil. That’s right; you can pour used fry oil into your gas tank and just start driving. According to the department of energy, using Biodiesel in your car instead of petroleum diesel can reduce carbon monoxide emissions by more than seventy five percent. Electricity is the name of the game for future cars. Electricity is used all around us, to power phones, laptops, lights, iPods, and much more, this technology can also be used to power an automobile. With all of the problems today from harmful emissions, to greenhouse gasses, to the consumption of nonrenewable resources it seems urgent that we mass produce electric cars and get them into circulation. Electric cars have no emissions, which add no chemicals or gasses to the atmosphere, and run on batteries instead of gasoline or any sort of alternative fuels. Electric cars run on a rechargeable battery, or multiple rechargeable batteries. This is both good and bad. These batteries have to be recharged and some take an extremely long time to charge cutting down on how frequently the cars can be used. Most of the electric cars today are also equipped with a special feature that allows the batteries to recharge almost like a generator, when the breaks are applied. When the breaks of the car are activated the resistance causes friction, which acts like a turbine in a windmill or river dam, this creates energy and replenishes the battery or batteries. In the Toyota Prius there is actually a screen with a gauge that shows the amount of energy you are obtaining as you apply the brakes. I hope that this presentation informed you of the importance of Alternative fuels and the many options you have when looking to buy a fuel efficient car. Now that you have a little better knowledge of these cars and fuels, make an educated and eco-friendly purchase for your next car, to save gas and save the environment. The End.
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