The growth of corn as a biofuel requires a great deal of fertilizer and gas-powered machinery. When processed, corn produces relatively low amounts of biodiesel. Is biodiesel made from corn carbon neutral?
A) Yes. The amount of CO₂ that is produced by burning biodiesel from corn is equal to the amount of CO₂ fixed by corn during its growth.
B) No. The production of fertilizer and use of machinery probably produce more CO₂ than corn plants are able to fix during their growth.
C) Yes. Biodiesel from corn produces sulfur when it is burned, not CO₂.
D) No. Corn actually fixes more CO₂ as it is grown than biofuel made from corn releases when it is burned.
Correct Answer:
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