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Biodiesel Advantages

- Less harmful to animals

- Reduces particulates 

- Carbon neutral

- Breaks down 5 x quicker 

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Biodiesel Disadvantages

- Large areas of farmland required 

- Less food produced { famine }

- Destrucion of habitat 

- Freezes at low temp

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Ethanol Advantages

- Easily made by fermentating sugar cane 

- Carbon neutral 

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Ethanol Disadvantages

- Large areas of farmland required

- Less food produced as it is used for fuel 

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Hydrogen Advantages

- Very clean {no CO2}

- Water is the only product 

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Hyrdogen Disadvantages

- Hydrogen is explosive

- Takes up a large volume, space becomes an issue 

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Global Warming

- Caused by carbon dioxide 

- Causing the average global temperature to increase

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Global Dimming

- Caused by particulates

- Reflects sunlight back into space 

- Not as much light gets to earth

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Sulphur Dioxide

- Poisonous gas 

- it's acidic

- causes acid rain

- causes engine errosion

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Nitrogen Oxide

- Poisonous 

- Triggers asthma attacks 

- Can cause acid rain

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Particulates

- Tiny solid particles

- Contain carbon and unburnt hydrocarbon

- Carried in the air

- Damage cells in our lungs

- Cause cancer

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Impurities

from fossil fuels;

- Particulates

- Sulphur Dioxide

- Nitrogen oxide 

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