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Renewable Versus Non-Renewable Resources

Compare and contrast renewable and nonrenewable resources, which is based on whether a resource can be replaced faster than it is used or not.

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Algae Biofuel

Algae Biofuel

Credit: Daniel X. O'Neil
Source: http://www.flickr.com/photos/juggernautco/4835836697
License: CC BY-NC 3.0

Microalgae grown in ponds can be used where gasoline and other petroleum products are now used. Algae as fuel is renewable, doesn’t compete with food crops and is fairly clean.

Amazing But True!

  • Algae biofuel research is going on in several universities, companies and even the U.S. military.
  • Credit: Official U.S. Navy Page
    Source: http://www.flickr.com/photos/usnavy/5914988807/
    License: CC BY-NC 3.0

    U.S Navy fuels engineer presenting greening of Navy Fuels (including algae fuels) at the first Naval Energy Forum (2009) [Figure2]

  • Algae can be raised around the United States so it is a homegrown fuel source.
  • Algae biofuels burn with relatively few pollutants and greenhouse gas emissions.

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With the link below, learn more about algae biofuel. Then answer the following questions.

  1. How do algae make oil?
  2. How would oil come from the algae that can be used in cars?
  3. What does it mean that algae fuel is a carbon neutral fuel source?
  4. Will scientists be able to find the perfect strain of algae to grow everywhere? Explain your answer.

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Image Attributions

  1. [1]^ Credit: Daniel X. O'Neil; Source: http://www.flickr.com/photos/juggernautco/4835836697; License: CC BY-NC 3.0
  2. [2]^ Credit: Official U.S. Navy Page; Source: http://www.flickr.com/photos/usnavy/5914988807/; License: CC BY-NC 3.0

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