Answer: Process B because it will reduce our dependency on fossil fuels.
Step-by-step explanation:
Biofuels are the fuels which are produce by animals and plants matter. These fuels are generated by renewable sources like plants and animals which can be grown again for production of these fuels. These fuels limits our dependency on non-renewable fuels like coal, petrol and natural gas. Therefore, the non renewable fuels will remain available to fulfill the future generation needs. Hence, will help in conservation.