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Energies
Volume 11
Issue 12
10.3390/en11123395
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Article

Assessing Energy and Environmental Efficiency of the Spanish Agri-Food System Using the LCA/DEA Methodology

by
Jara Laso
1,*,
Daniel Hoehn
1,
María Margallo
1,
Isabel García-Herrero
1,
Laura Batlle-Bayer
2,
Alba Bala
2,
Pere Fullana-i-Palmer
2,
Ian Vázquez-Rowe
3,
Angel Irabien
1 and
Rubén Aldaco
1
1
Department of Chemical and Biomolecular Engineering, University of Cantabria, Avda. de los Castros s/n, 39005 Santander, Spain
2
UNESCO Chair in Life Cycle and Climate Change ESCI-UPF, Universitat Pompeu Fabra, Pg. Pujades 1, 08003 Barcelona, Spain
3
Peruvian LCA Network, Department of Engineering, Pontificia Universidad Católica del Perú, Av. Universitaria 1801, San Miguel, Lima 15088, Peru
*
Author to whom correspondence should be addressed.
Energies 2018, 11(12), 3395; https://doi.org/10.3390/en11123395
Received: 31 October 2018 / Revised: 28 November 2018 / Accepted: 30 November 2018 / Published: 4 December 2018
(This article belongs to the Special Issue Selected Papers from PRES 2018: The 21st Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction)
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Abstract

Feeding the world’s population sustainably is a major challenge of our society, and was stated as one of the key priorities for development cooperation by the European Union (EU) policy framework on food security. However, with the current trend of natural resource exploitation, food systems consume around 30% of final energy use, generating up to 30% of greenhouse gas (GHG) emissions. Given the expected increase of global population (nine billion people by 2050) and the amount of food losses and waste generated (one-third of global food production), improving the efficiency of food systems along the supply chain is essential to ensure food security. This study combines life-cycle assessment (LCA) and data envelopment analysis (DEA) to assess the efficiency of Spanish agri-food system and to propose improvement actions in order to reduce energy usage and GHG emissions. An average energy saving of approximately 70% is estimated for the Spanish agri-food system in order to be efficient. This study highlights the importance of the DEA method as a tool for energy optimization, identifying efficient and inefficient food systems. This approach could be adopted by administrations, policy-makers, and producers as a helpful instrument to support decision-making and improve the sustainability of agri-food systems. View Full-Text
Keywords: data envelopment analysis; energy efficiency; food loss and waste; life-cycle assessment data envelopment analysis; energy efficiency; food loss and waste; life-cycle assessment
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MDPI and ACS Style

Laso, J.; Hoehn, D.; Margallo, M.; García-Herrero, I.; Batlle-Bayer, L.; Bala, A.; Fullana-i-Palmer, P.; Vázquez-Rowe, I.; Irabien, A.; Aldaco, R. Assessing Energy and Environmental Efficiency of the Spanish Agri-Food System Using the LCA/DEA Methodology. Energies 2018, 11, 3395. https://doi.org/10.3390/en11123395

AMA Style

Laso J, Hoehn D, Margallo M, García-Herrero I, Batlle-Bayer L, Bala A, Fullana-i-Palmer P, Vázquez-Rowe I, Irabien A, Aldaco R. Assessing Energy and Environmental Efficiency of the Spanish Agri-Food System Using the LCA/DEA Methodology. Energies. 2018; 11(12):3395. https://doi.org/10.3390/en11123395

Chicago/Turabian Style

Laso, Jara, Daniel Hoehn, María Margallo, Isabel García-Herrero, Laura Batlle-Bayer, Alba Bala, Pere Fullana-i-Palmer, Ian Vázquez-Rowe, Angel Irabien, and Rubén Aldaco. 2018. "Assessing Energy and Environmental Efficiency of the Spanish Agri-Food System Using the LCA/DEA Methodology" Energies 11, no. 12: 3395. https://doi.org/10.3390/en11123395

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