SimilarityRank
fossil-fuel 0.876 91442
biofuels 0.845 26111
fuel 0.843 1992
biofuel 0.819 33305
non-renewable 0.811 56124
feedstocks 0.804 76964
petroleum-based 0.797 79740
carbon-based 0.794 97409
biodiesel 0.791 28801
feedstock 0.783 46681
renewable 0.779 6153
hydrocarbons 0.768 32458
ethanol 0.766 14555
gasoline 0.765 8864
methane 0.749 19799
fossil 0.747 9494
emissions 0.744 4569
Fuels 0.743 48822
biomass 0.740 16091
cellulosic 0.740 66673
byproducts 0.739 42005
renewables 0.738 27442
by-products 0.737 36336
energy-intensive 0.736 95480
gases 0.734 11662