Rasmus Einarsson and Martin Persson, Chalmers, who participated in the project Biogas from agricultural wastes and residues – where and how much? that was carried out within the Swedish Energy Agency and f3 collaborative research program Renewable transportation fuels and systems have published an article in PLoS ONE titled “Analyzing key constraints to biogas production from crop residues and manure in the EU – A spatially explicit model”. The article is available through open access and is linked among the results at the project site.