oil 0.15kg = 5.4 MJ
straw and cake 0.64kg 6.0 MJ
11.4 MJ (cf wheat 25 MJ)
Total biomass ~ 12 MJ
Biodiesel 5.4 MJ
processing etc 3.1
net 2.3 (cf ethanol 0.7 MJ)
Biodiesel efficiency 19% from biomass
