Place the following energy sources in order of their least net carbon dioxide em

Question

Place the following energy sources in order of their least net carbon dioxide emission into the atmosphere, where 1. =lowest net carbon, and 4. =highest net carbon. In your calculation, take into account:

1. How much carbon dioxide (or CO2 equivalent) is emitted per unit energy generated

2. If the source is renewable, how much carbon dioxide (or CO2 equivalent) is removed from the atmosphere each year by that resource.

3. How much energy is needed to produce and deliver that energy source.

a. Biodeisel (soybean oil based)

b. Biodeisel (waste oil based)

c. Biodeisel (Algae-based)

d. Grain Ethanol

e. Biogas (recovered biogenic methane= "landfill methane")

Explanation / Answer

1. biodiesel algae based

2. biodiesel soybean

3. Biodeisel waste oil based

4. Grain ethanol

5. Biogas

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