Study Finds Water Footprint for Bioenergy Larger Than Other Forms of Energy; Bioelectricity the Smallest, Biodiesel the Largest
Green Car Congress
JUNE 6, 2009
Total weighted global average water footprints (blue and green) for major ethanol and biodiesel crops in m 3 water per GJ fuel. The water footprint comprises three components: Green WF: rainwater that evaporated during production, mainly during crop growth. Gray WF: volume of water that becomes polluted during production.
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