Global environmental consequences of increased biodiesel consumption in Switzerland: consequential life cycle assessment

摘要: Abstract This study assesses the direct and indirect environmental impacts to be expected if Switzerland should replace one percent of its current diesel consumption with imports A) soybean methyl ester (SME) from Brazil, or B) palm (PME) Malaysia. In order take into account possible future consequences, what-if scenarios were developed assessed by means a consequential LCA. contrast attributional LCA, approach uses system enlargement include marginal products affected change physical flows in central life cycle. that LCA considers all inputs outputs which are linked biodiesel production product is subsequently expanded affected. Both systems comparison scores fossil equivalent biodiesel, i.e. low sulphur. The burdens measured greenhouse gas emissions (GHG), land occupation various non-aggregated aggregated impact indicators. sum, an increased SME depend on replacement world market, rather than local factors. other words, assumed most important for results obtained, particular vegetable oil, fodder cake areas. this it at expense available oil shifts associated oils market. perspective, not relevant country takes place, but involved. With respect PME, determining factor area cultivation palms. Currently, expansion displaces primarily peat rain forest. causes GHG much higher reference. All all, both PME Malaysia Brazil cause more allowed Swiss tax redemption agro-biofuels (max. 60% 125% UBP reference).