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alternative fuels have multiple disadvantages that may affect people's choices on whether they want to use them or not.  Biofuels have a low energy output and require greater amounts to be consumed in order to produce the same energy level.  There is a large demand for food crops such as corn to produce biofuels, which could raise prices for necessary staple food crops

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kitni mehnat karni pad rahi hai but thanks
no problem :)
sorry yar
why sorry? i am here for help. always :D
:) :d
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