Huntington 1 Alex Huntington Mrs. Dengler CP English 9 14 Dec. 2010 Alternative fuels for transportation Humans will use a total of 7.5 billion gallons of gasoline by the year 2012. Rising gas prices are becoming a scarcity for humans, and solutions for this problem consist of hydrogen, vegetable oil and ethanol. Gas is a fossil fuel so that means there is a certain amount left here on Earth. So that means once humans use all the gas on the earth, there will be none left. Gas is always rising because more people need it in everyday life. Gasoline also emits harmful gases that consist of carbon monoxide and nitrogen oxide. Nitrogen oxide is the main source of urban smog and can affect the ozone. If humans don’t act fast and find an alternative fuel, humans may run out of gas and fuel cells. Hydrogen is probably the most well-known solution for a fuel cell, but it may be the most complicated and time consuming ways to be alternative fuel. Hydrogen is also the greenest fuel cell there is here on earth besides oxygen. When nitrogen is burned it only emits two thirds nitrogen which isn’t harmful to humans. Unlike gas, hydrogen doesn’t emit carbon dioxide, which is harmful to the environment and ozone layer. Hydrogen is believed to be the future of fuel cells according to the scientists at UCI. When hydrogen is burned, it turns into water vapor. Gas emits exhaust with a combination of carbon monoxide and nitrogen oxide. There are a few problems with hydrogen as a fuel cell. Scientists say that getting hydrogen able to run cars is very time consuming and difficult. Hydrogen is made from natural gas which means that Huntington 2 hydrogen costs a lot more than natural gas and gasoline. Hydrogen is unable to be stored in the engine because hydrogen is flammable; a slight spark could cause the engine to combust. Hydrogen may be the future of fuel cells but it will not be any time soon that vehicles will be running hydrogen. Hydrogen is probably the most well-known solution for a fuel cell, but it may be the most complicated and time consuming ways to be alternative fuel. Hydrogen is also the greenest fuel cell there is here on earth besides oxygen. When nitrogen is burned it only emits two thirds nitrogen which isn’t harmful to humans. Unlike gas, hydrogen doesn’t emit carbon dioxide, which is harmful to the environment and ozone layer. Hydrogen is believed to be the future of fuel cells according to the scientists at UCI. When hydrogen is burned, it turns into water vapor. Gas emits exhaust with a combination of carbon monoxide and nitrogen oxide. There are a few problems with hydrogen as a fuel cell. Scientists say that getting hydrogen able to run cars is very time consuming and difficult. Hydrogen is made from natural gas which means that hydrogen costs a lot more than natural gas and gasoline. Hydrogen is unable to be stored in the engine because hydrogen is flammable; a slight spark could cause the engine to combust. The last alternative fuel is ethanol. Ethanol is all natural made from corn husks. Ethanol also may be the solution in the near future. Ethanol can cut down on global warming by 18 percent if everyone in the United States used ethanol as a fuel cell or diesel. Around 2020, new scientists plan to develop new techniques for ethanol to run more smoothly on vehicles. By developing these new techniques, scientists plan to cut down on emission by 80 percent. There are many problems with ethanol though. Ethanol is a lot more expensive than gasoline and other alternative fuels. Scientist is worried that ethanol may perform better on different vehicles. Huntington 3 Performance as ethanol as a diesel may result in failure of the engine. Ethanol is a good choice for an alternative fuel, but it may be a while till humans find the suitable car for ethanol. I think the best alternative fuel that will help the environment and become more green is hydrogen. I believe this is the best choice for alternative fuel because it emits very little harmful gases. When hydrogen is burned, it turns into water vapor, which is harmful to the environment. You will not see hydrogen powering any vehicles in the early future. Scientists believe in about 20 to 40 years, every vehicle will be powered by hydrogen as a fuel cell. Another alternative fuel that I believe may be powering some vehicles in the near future is ethanol. Scientist hopes to have every diesel-powered engine to have the capability of running on ethanol in a couple of years. Ethanol does emit hazardous gases, but it is a good 80 percent less than exhaust from gasoline. Ethanol may be a good choice for near future fuel cells, but I believe hydrogen is the best solution for an alternative fuel. Alternative fuels for transportation may not seem like a big problem, but when gasoline disappears from earth, it will become a scarcity. Rising gas prices is becoming a scarcity for humans. Although this is major problem, there are many solutions that will benefit the earth. Solutions for this problem consist of hydrogen, vegetable oil, and ethanol. We humans need to act fast and find a solution for gasoline. Exhaust produced by gasoline emits very hazardous gases into the ozone that will soon destroy the ozone. Alternative fuels for transportation is becoming a bigger problem every day, and our best solution to this problem is hydrogen.