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VIENNA - AUSTRIA  16. AUGUST 2006 -- Biomass energy - Rudolf Schwarzboeck, engineer at Wien Energie next to the turbine to the new  wood heated combined power and heat plants, one of europes largest -- PHOTO: CHRISTIAN T. JOERGENSEN / EUP & IMAGES..This image is delivered according to terms set out in "Terms - Prices & Terms". (Please see for more details)