Related by context. Frequent words. (Click for all words.) 82 Jatropha 67 biofuel 60 bio diesel 60 biofuels 60 camelina 59 sugar cane 59 switchgrass 58 bio fuels 57 Biofuel 57 biodiesel 56 biofuel crops 54 cellulosic ethanol 54 cassava 54 bio ethanol 53 bioethanol 52 sugarcane 51 biomass 51 palm oil 51 ethanol 50 bioenergy 50 feedstocks 49 safflower 48 corn ethanol 48 alternative fuels 47 stevia 47 maize 47 feedstock 47 Biofuels 47 papaya 46 plantations 46 eucalyptus 46 medicinal plants 46 cellulosic 46 sorghum 46 drought resistant 46 organic fertilizer 45 Bt cotton 45 crops 45 drought tolerant 45 coconut 45 cashew 45 soya 45 smallholders 44 legume 44 Biodiesel 44 organic fertilizers 44 Amyris 44 oil palm plantations 44 Stevia 44 biochar 44 soyabean 44 rapeseed 44 organic farming 43 replanting 43 Bt corn 43 algal 43 Algae 42 Bioenergy 42 microalgae 42 biogas 42 fertilizer 42 diesel 42 shrub 42 Biomass 42 bioplastics 42 cacao 42 genetically modified crops 41 hectare 41 seedlings 41 artemisinin 41 cellulose 41 algae 41 flax 41 cleaner burning 41 biorefinery 41 mangoes 41 synthetic fuels 41 cultivars 41 renewable 41 reforestation 41 fertilizers 40 liquid fuels 40 Tupi 40 agro 40 organically grown 40 carbon sequestration 40 cleaner fuels 40 vegetable oils 40 plantain 40 smallholder farmers 40 Solazyme 40 cultivation 40 cultivar 40 Bt 40 saplings 40 chicory 40 semi arid 40 mango 40 vegetable 40 oilseed rape 40 soy beans