What can be made from vegetable oils extracted from plants?
Biodiesel.
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What are biofuels?
A renewable source of energy that could be used instead of fossil fuels.
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What is ethanol?
A biofuel.
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What is ethanol made from?
Sugar cane or sugar beet.
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What is hydrogen?
A potential fuel for the future.
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What are biofuels made from?
Plant or animal products.
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What are the advantages to using biodiesel?
It makes little contribution to carbon dioxide levels, this is because the carbon dioxide given off when it burns was taken from the atmosphere by plants as they grew. It is renewable.
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What are the disadvantages of using biodiesel?
The plants that are grown for biodiesel use large areas of farmland.
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Other cards in this set
Card 2
Front
What are biofuels?
Back
A renewable source of energy that could be used instead of fossil fuels.
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