| Similarity | Rank | |
|---|---|---|
| renewables | 0.899 | 27442 |
| biofuels | 0.848 | 26111 |
| bioenergy | 0.838 | 65798 |
| Renewable | 0.834 | 19768 |
| cogeneration | 0.827 | 76666 |
| biofuel | 0.823 | 33305 |
| non-renewable | 0.822 | 56124 |
| low-carbon | 0.816 | 41607 |
| photovoltaics | 0.813 | 66103 |
| biomass | 0.803 | 16091 |
| fossil-fuel | 0.798 | 91442 |
| Renewables | 0.790 | 55257 |
| energy-related | 0.782 | 86604 |
| fuels | 0.779 | 9417 |
| geothermal | 0.779 | 21905 |
| photovoltaic | 0.777 | 22415 |
| feed-in | 0.768 | 67440 |
| gas-fired | 0.768 | 70372 |
| feedstocks | 0.765 | 76964 |
| energy | 0.762 | 453 |
| energy-efficiency | 0.760 | 70696 |
| electricity | 0.757 | 3160 |
| RECs | 0.756 | 84981 |
| biogas | 0.756 | 44510 |
| cellulosic | 0.754 | 66673 |