Straw Utilization for Biofuel Production: A Consequential GHG Assessment of Bioethanol and Biomethane Provision with a Focus on the Time-Dependency of Emissions

The shift from straw incorporation to biofuel production entails emissions from production, changes in soil organic carbon (SOC) and through the provision of (co-)products and entailed displacement effects. The presented work analyzes changes in GHG emissions arising from the shift from straw incorporation to biomethane and bioethanol production. The work addresses the time-dependency of emissions in detail and analyses the impact of the change in the temporal occurrence of emissions on the GHG balance. Thereby the work contributes to the ongoing debate of the suitability of second generation biofuels to mitigate climate change.