SUMMARY 1. Definition of Biofuels 2. Types of Biofuels 3. Characteristics of Biofuels
DEFINITION OF BIOFUELS •Biofuels are liquid fuels, which are made from a variety of sources of biomass: • plant materials • types of crops • recycled or waste vegetable oils •Biofuels can be used in internal combustion engines, as a replacement or complement of petrol and diesel.
BIOFUELS •Reasons for promoting biofuels are: • To contribute to the security of energy supply; • To contribute to the reduction of greenhouse gas emissions; • To promote a greater use of renewable energy; • To diversify agricultural economies into new markets.
TYPES OF BIOFUELS • The two main biofuels are: 1. Bioethanol, as a substitute or additive for petrol; 2. Biodiesel, as a substitute for diesel;