| Similarity | Rank |
biodiesel
|
0.799 |
34972 |
renewable_fuel
|
0.797 |
88540 |
biofuel
|
0.767 |
11346 |
hybrid_vehicle
|
0.737 |
71174 |
electric_vehicle
|
0.725 |
16350 |
alternative_energy_source
|
0.724 |
77620 |
alternative_energy
|
0.704 |
32265 |
liquid_fuel
|
0.681 |
86707 |
fuel_cell
|
0.681 |
19021 |
CNG
|
0.681 |
58832 |
natural_gas
|
0.675 |
5419 |
renewable_energy_source
|
0.673 |
24016 |
renewable_energy
|
0.666 |
4106 |
hybrid_car
|
0.663 |
85459 |
fuel_efficiency
|
0.658 |
45499 |
internal_combustion_engine
|
0.651 |
72067 |
electric_car
|
0.648 |
17957 |
bioga
|
0.648 |
33090 |
renewable_energy_technology
|
0.646 |
55947 |
diesel
|
0.643 |
12206 |
fossil_fuel
|
0.640 |
9239 |
diesel_fuel
|
0.635 |
48281 |
of_fossil_fuel
|
0.635 |
44531 |
hydrogen
|
0.634 |
10438 |
renewable_source
|
0.632 |
75160 |