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Biofuels
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Which one of the following is being tried in India as a biofuel substitute for fossil fuels?Biofuels are fuels obtained from biological sources and are renewable substitutes for fossil fuels.
Jatropha curcas (family Euphorbiaceae) is a hardy shrub that grows on wastelands and in dry areas.
Its seeds contain about 30 to 40 percent of non-edible oil, which is converted into biodiesel by transesterification.
For this reason Jatropha is being cultivated and tried in India as a biofuel (biodiesel) substitute for fossil fuels.
Musa is banana, Aegilops is a wild grass related to wheat, and Azadirachta is neem, known for the biopesticide azadirachtin; none of these is the biodiesel crop.
So the answer is Jatropha.