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What are biofuels?
Renewable fuels made from plant material or animal waste.
Why are biofuels considered renewable?
The plants used to make them can be regrown.
Why are biofuels described as carbon neutral?
The carbon dioxide released when they are burned is balanced by the carbon dioxide absorbed during plant growth.
Give a disadvantage of biofuels
Large areas of land are needed to grow crops for biofuels.