Achieving carbon negative bioenergy systems from plant materials Part 1 Technologies 1. Biomass gasification for bioenergy Maria Puig Arnavat Technical University of Denmark Denmark; Tobias Pape Thomsen Roskilde University Denmark; and Zsuzsa Sárossy Rasmus Østergaard Gadsbøll Lasse Røngaard Clausen and Jesper Ahrenfeldt Technical University of Denmark Denmark 2. Fast pyrolysis for biofuel production David Shonnard Olumide Winjobi and Daniel Kulas Michigan Technological University USA 3. Producing biofuels with torrefaction Donald R. Fosnacht Natural Resources Research Institute University of Minnesota USA Part 2 Materials 4. Production of biodiesel from renewable sources Dan Zeng Daidi Fan Le Wu and Yuqi Wang Northwest University China 5. Production of biodiesel from oilseeds Jatropha curcas Rahmath Abdulla Universiti Malaysia Sabah Malaysia 6. Production of biodiesel from oilseeds: canola rapeseed B. Brian He and Dev Shrestha University of Idaho USA 7. Sustainable use of Miscanthus for biofuel Paul Robson University of Aberystwyth UK; Astley Hastings University of Aberdeen UK; John Clifton Brown University of Aberystwyth UK; and Jon McCalmont University of Exeter UK 8. Sustainable use of switchgrass for biofuel John Fike Virginia Tech USA; Vance Owens South Dakota State University USA; David Parrish Virginia Tech USA; and Rana Genedy Cairo Egypt 9. Sustainable production of willow for biofuel use M. Weih P. A. Hansson J.A. Ohlsson M. Sandgren A. Schnürer and A. C. Rönnberg Wästljung Swedish University of Agricultural Sciences Sweden 10. Sustainable use of seaweed for biofuel Jay Liu Boris Brigljević and Peyman Fasahati Pukyong National