1. ALTERNATIVE FUELS CARLOS MARECO

2. A LTERNATIVE FUELS

A lternative fuelsare materialsor substanceswhich canbeusedasfuelsreplacing petroleum

3. E XAMPLES

1.Biomass

2.Natural gas

3.Electricity

4. BIOMASS

Biomass is the total mass of living things like plants, trees and animals in a given area that can be transformed into electricity or fuel.

5. T IPES OFB IOMASS

Monomeric

Hemicellulose

6. E XAMPLES OF BIOMASS

Bioethanol

Methanol

Biodiesel

7. E THANOL

Ethanol is a clear, colorless liquid with a characteristic, agreeable odor. It is also called ethyl alcohol or grain alcohol.

8. B IOMASS CONVERTED TO ETHANOL

Biomass is converted to ethanol in 4 steps.

1.Photosynthesis.A tmospheric carbon is converted into organic carbon.

2.Biomass is harvested.

3. Biomassis fermented.

4.The ethanol is processed to produce usable ethanol and by products .

9. M ETHANOL

Methanol is also an alcohol fuel. It usually is made from natural gas or coal, but can also be made from biomass.

10. B IODIESEL

Biodiesel fuel is an ester, like vinegar. It is made from vegetable oils, animal fats, algae, and leftover cooking grease.

11. B IOENERGY

Bioenergy is just another word for biomass energy. Biomass can be converted into bioenergy

12.