Institution: | a Institute of Agriculture and Food Research and Technology, 08348 Cabrils, Barcelona, Spain b Institute of Energy Economics and the Rational Use of Energy (IER), University of Stuttgart, Hessbrühlstr. 49a, 70565 Stuttgart, Germany c Institute of Environmental Engineering, Swiss Federal Institute of Technology Zurich, ETH-Hönggerberg, CH-8093 Zurich, Switzerland d Quantis, EPFL Science Park (PSE-D), CH-1015 Lausanne, Switzerland |