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__________ is made by combining alcohol with vegetable oil, animal fat or recycled cooking grease.

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__________ is made by combining alcohol with vegetable oil, animal fat or recycled cooking grease.

(a) Biodiesel

(b) Biomass

(c) Bioelectricity

(d) Syngas

This question was posed to me during an online exam.

This intriguing question originated from Energy from Biomass topic in section Biomass Energy of Energy Engineering

1 Answer

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The correct choice is (a) Biodiesel

The best I can explain: Biodiesel is made by combining alcohol with vegetable oil, animal fat or recycled cooking grease. It can be used as an additive to reduce vehicle emissions or in its pure form as a renewable alternative fuel for diesel engines.

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