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dc.contributor.author
Berger, Markus
dc.contributor.author
Pfister, Stephan
dc.contributor.author
Bach, Vanessa
dc.contributor.author
Finkbeiner, Matthias
dc.date.accessioned
2019-06-18T13:59:59Z
dc.date.available
2017-06-11T18:42:29Z
dc.date.available
2019-06-18T13:59:59Z
dc.date.issued
2015-06
dc.identifier.issn
2071-1050
dc.identifier.other
10.3390/su7066665
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/103121
dc.identifier.doi
10.3929/ethz-b-000103121
dc.description.abstract
Little information regarding the global water footprint of biofuels consumed in Europe is available. Therefore, the ultimate origin of feedstock underlying European biodiesel and bioethanol consumption was investigated and combined with the irrigation requirements of different crops in different countries. A (blue) water consumption of 1.9 m3 in 12 countries per GJ of European biodiesel and 3.3 m3 in 23 countries per GJ of bioethanol was determined. Even though this represents an increase by a factor of 60 and 40 compared to fossil diesel and gasoline, these figures are low compared to global average data. The assessment of local consequences has shown that the irrigation of sunflower seed in Spain causes 50% of the impacts resulting from biodiesel—even though it constitutes only 0.9% of the feedstock. In case of bioethanol production, the irrigation of sugar cane in Egypt, which constitutes only 0.7% of the underlying feedstock, causes 20% of the impacts. In a case study on passenger cars, it was shown that biofuels can reduce the global warming potential by circa 50% along the product life cycle. However, the price of this improvement is an approximate 19 times increased water consumption, and resulting local impacts are even more severe.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
MDPI
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Water footprint
en_US
dc.subject
Carbon footprint
en_US
dc.subject
Biofuels
en_US
dc.subject
Cars
en_US
dc.subject
Transport
en_US
dc.title
Saving the Planet's Climate or Water Resources? The Trade-Off between Carbon and Water Footprints of European Biofuels
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2015-05-26
ethz.journal.title
Sustainability
ethz.journal.volume
7
en_US
ethz.journal.issue
6
en_US
ethz.pages.start
6665
en_US
ethz.pages.end
6683
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.nebis
010201556
ethz.publication.place
Basel
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02608 - Institut für Umweltingenieurwiss. / Institute of Environmental Engineering::03732 - Hellweg, Stefanie / Hellweg, Stefanie
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02608 - Institut für Umweltingenieurwiss. / Institute of Environmental Engineering::03732 - Hellweg, Stefanie / Hellweg, Stefanie
ethz.date.deposited
2017-06-11T18:42:59Z
ethz.source
ECIT
ethz.identifier.importid
imp593653608bd7696684
ethz.ecitpid
pub:161316
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-25T10:11:03Z
ethz.rosetta.lastUpdated
2019-06-18T14:00:18Z
ethz.rosetta.versionExported
true
ethz.COinS
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