Question

disadvantages of biofuels

Answer 1

Disadvantages. Despite the many positive characteristics of biofuels, there are also many disadvantages to these energy sources. Energy output: Biofuels have a lower energy output than traditional fuels and therefore require greater quantities to be consumed in order to produce the same energy level.

Answer 2

1 They increase the amount of CO2 in air.

2 Thay increase the air pollution.

3 They result in melting of polar uce caps and later cause floods.

4 They sometimes may also cause drought.

5 They may also be the cquse of dying of fishes, flora and fauna.

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