Which one is being tried in india as biofuel substitute for fossil fuels?

Which one of the following is being tried in India as a biofuel substitute for fossil fuels?

Which one of the following is being tried in India as a biofuel substitute for fossil fuels ?

Which of the following plant species you would select for the production of bioethanol Or Which one of the following is being tried in India as a biofuel substitute for fossil fuels

Which one of the following is being tried in india as a bio fuel substitue for fossil fuels ?

Which one of the following is being tried in India as a biofuel substrate for fossil fuels?

Fossil fuels are