| Similarity | Rank | |
|---|---|---|
| renewable_fuel | 0.829 | 88540 |
| biodiesel | 0.814 | 34972 |
| bioenergy | 0.776 | 43864 |
| alternative_fuel | 0.767 | 38448 |
| Biofuels | 0.753 | 85923 |
| feedstock | 0.738 | 44952 |
| biomass | 0.731 | 8352 |
| ethanol | 0.712 | 13692 |
| liquid_fuel | 0.703 | 86707 |
| bioga | 0.697 | 33090 |
| renewable_energy | 0.694 | 4106 |
| renewable_energy_source | 0.687 | 24016 |
| alternative_energy_source | 0.687 | 77620 |
| renewable | 0.680 | 7265 |
| alternative_energy | 0.680 | 32265 |
| renewable_resource | 0.669 | 46913 |
| renewable_source | 0.668 | 75160 |
| fossil_fuel | 0.666 | 9239 |
| of_fossil_fuel | 0.662 | 44531 |
| jet_fuel | 0.653 | 83249 |
| carbon_sequestration | 0.637 | 54193 |
| energy_production | 0.635 | 24155 |
| green_energy | 0.629 | 29006 |
| Bioenergy | 0.628 | 86779 |
| sustainable_energy | 0.627 | 32989 |