CW9-1943

From Environmental Technology

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1. Some common disadvantages are:

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  • ELECTRICITY- technology is limited, higher vehicle cost-lower vehicle range or performance, less convient refueling.
  • ETHANOL- High fuel cost, somewhat lower vehicle range.
  • METHANOL- Fuel could be imported, lower vehicle range.
  • NATURAL GAS (METHANE)- Higher vehicle cost, lower vehicle range, and less convient refueling.
  • PROPANE- cosst will rise with demand, limited supply, no energy security or trade balance benefits.
  • REFORMULATED GASOLINE- higher fuel costs, few energy security or trade balance benefits.


2. It looks like- Very Low Emissions of ozone-forming hydrocarbons and toxics.

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3. I dont know what feasible means. But in my opinion the article does explain in great detail the advantages and disadvantages of using clean fuels. If a person was wanting to look into switching to clean fuels this article would more than likely give them a little of the information they need.

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4. Well here goes nothing:

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  • 1) ELECTRICITY-N/A
  • 2) NO.2 DIESEL-8 TO 15
  • 3) BIODIESEL-25
  • 4) ETHANOL AND METHANOL-100
  • 5) LIQUIFIED PETROLEUM-104
  • 6) LIQUIFIED NATURAL GAS AND COMPRESSED NATURAL GAS-120+
  • 7) HYDROGEN-130+


5. Gasoline, No.2 Diesel, and BIO-Diesel. But gasoline is the main one.

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6. Energy content from least to greatest:

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  • Electicity- N/A
  • Hydrogen-3000 BTU
  • CNG- 33000 BTU
  • Methanol- 56000 BTU
  • LNG- 73500 BTU
  • Ethanol- 80000 BTU
  • LPG- 84000 BTU
  • Gasoline-109000 BTU
  • Biodiesel-117000 BTU
  • No.2 diesel-128000 BTU


7. Gasoline and Bio-Diesel seem to be the safest, after all we have used them for centurys.

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8. Well, I would say its true since it is on the U.S. Department of Energy official website. I dont think they would put somethign inaccurate and untrue on here. But i suppose if you wanted to find out wether its true or not you could write them and have them send you a copy or maybe send an email because most of the time you get a quicker response and its just as accurate as a piece of paper.

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