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Overall popularity| Rank | Score | | Item
 | | 1. | 6903 |  | Solar Energy | | 2. | 4503 |  | Ethanol | | 3. | 4317 |  | Biodiesel | | 4. | 4238 |  | Compressed Natural Gas | | 5. | 3980 |  | Electricity | | 6. | 3752 |  | Nuclear Power | | 7. | 3639 |  | Hydrogen | | 8. | 3295 |  | Wind Power | | 9. | 3053 |  | Oil | | 10. | 356 |  | Methanol | | 11. | 193 |  | Nuclear Fusion | | 12. | 127 |  | Hydro power |
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Voting popularity| Score | | Item | | 41 |  | Solar Energy | | 30 |  | Hydrogen | | 29 |  | Oil | | 28 |  | Ethanol | | 27 |  | Biodiesel | | 21 |  | Wind Power | | 20 |  | Electricity | | 19 |  | Coal Derived Liquid Fuels | | 18 |  | Nuclear Power | | 17 |  | Tidal Power | | 17 |  | Compressed Natural Gas | | 17 |  | Liquefied Petroleum Gas (Propane) |
| Popularity on the Web| Score | | Item | | 1856730 |  | Oil | | 888280 |  | Electricity | | 553058 |  | Hydrogen | | 511452 |  | Ethanol | | 340754 |  | Biodiesel | | 262883 |  | Solar Energy | | 254340 |  | Nuclear Power | | 215133 |  | Wind Power | | 91768 |  | Compressed Natural Gas | | 80240 |  | Methanol | | 37366 |  | Coal Gasification | | 30149 |  | Hydro power |
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Popularity in the news| Score | | Item | | 697 |  | Oil | | 405 |  | Electricity | | 182 |  | Ethanol | | 114 |  | Wind Power | | 100 |  | Solar Energy | | 83 |  | Biodiesel | | 69 |  | Nuclear Power | | 65 |  | Hydrogen | | 63 |  | Compressed Natural Gas | | 7 |  | Methanol | | 5 |  | Wave power | | 5 |  | Nuclear Fusion |
| Popularity in pictures| Score | | Item | | 13628 |  | Oil | | 10278 |  | Ethanol | | 9713 |  | Hydrogen | | 9135 |  | Biodiesel | | 3556 |  | Electricity | | 2561 |  | Solar Energy | | 731 |  | Wind Power | | 301 |  | Nuclear Power | | 242 |  | Compressed Natural Gas | | 209 |  | Methanol | | 45 |  | Hydro power | | 16 |  | Wave power |
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