2. A biofuel is a type of fuel whose energy is
derived from biological carbon fixation.
In other words, Fuel which is produced from
renewable biological resources
◦ Plant biomass
◦ Treated municipal and industrial waste.
3. To reduce our dependence on fossil fuels.
To reduce reliance on foreign oil.
To lower emissions of greenhouse gases.
4. 1.There is no emission of hazardous gases.
2.Raw material is locally available in every region of the
3.Friendly with the environment, so they do not cause
4.The energy release per unit mass of biofuel is greater
than the energy released from the unit mass of fossil
8. •Made from sugar, starch, and vegetable oil.
First generation Biofuel
•Made from non-edible plant materials.
Second generation Biofuel
• Made from algae and microbes.
Third generation Biofuel
13. Biodiesel can be termed clean fuel as it does not
Its sulphur content is also lesser than the mineral
It possesses high biodegradability and
Improves engine efficiency.
Readily mixes with petroleum diesel fuel in any
Greatly reduces particulate matter and carbon
15. • Biologically produced alcohols, most
commonly ethanol and less
Commonly propanol and butanol.
• Bioalcohols are produced by the action
of microorganisms and enzymes through the
fermentation of sugars or starches (easiest), or
cellulose (which is more difficult).
16. Fire places
Fuel for vehicles
Ethanol fuel is the most commonly used bio-
fuel in the world and particularly in Brazil.
18. Generally used for cooking purpose.
Vegetable oil is mainly used for the
production of biodiesel.
20. To produce Electricity