Biofuels
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6 Terms
1
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what is bioethanol made of?
fermentation of sugar from crops like maize
2
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what is biodiesel made of?
refining renewable fats and oil
3
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what is biogas made of?
the breakdown of organic waste matter
4
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are biofuels carbon neutral?
technically yes as they absorb CO2 when being grown but produces when burnt
5
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what is a problem with biofuel compared to fossil fuels?
car engines would have to be modified
6
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what is a problem with growing biofuels?
the land could be used for growing food which could cause a lack of food in poorer countries
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