Polygeneration is is the use of multiple energy sources to cover multiple energy needs. That is, a range of energy inputs can be used (including biofuels) to generate heat, power and cooling (ie. refrigeration).
This report, published by Optipolygen, says that polygeneration can provide 70-80% of all the energy needed by the food and drink industry in the EU15. 20% of this can be generated from the food and drink wastes themselves. It also has some figures for total energy use in the EU food and drink sector.
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