3.  Biofuels are manufactured from vegetable oils, waste cooking oils, animal fats.  Energy for vehicles from organic materials.  Biofuels are vehicles fuels, such as biodiesel and bioethanol(biofuel can cover any kind of fuels made from living materials or its waste.)

4.  People keep the waste of the plants and other wastes in big cars to transport them. Those big cars transport them to the biorefineries. There they start processing and converting it. Then they starts distributing it on the fuels stations and then the cars owners starts using it.

5.  Yes, it is renewable because the living materials will not run out. AdvantageDisadvantage Less demand on the fossil fuels. Some of the materials are not available all year round. Biofuel production is closer to being carbon-neutral than using fossil fuels. It is that despite being a renewable source of energy the levels of power are not high enough

6.  It is renewable.  It is used for the vehicles.  Biofuels has the highest energy balance of any domestic renewable fuel.

7. By Freddy Sharoubim