| gas-guzzling world | 0.25 |
| use battery | 0.66 |
| become more popular | 0.65 |
| use electricity | 0.64 |
| become in 2008 | 0.50 |
| become mainstream | 0.46 |
| use regenerative braking | 0.46 |
| take hour | 0.45 |
| become within reach | 0.45 |
| become welcoming | 0.44 |
| become clear | 0.43 |
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| limited range | 0.62 |
| motor | 0.54 |
| zero emissions | 0.44 |
| fewer moving parts | 0.39 |
| low centre of gravity | 0.20 |
| less maintenance | 0.34 |
| little maintenance | 0.32 |
| car | 0.69 |
| the best selling car | 0.16 |
| charged | 0.70 |
| made | 0.67 |
| powered by electric mot… | 0.65 |
| sold | 0.63 |
| invented in the history… | 0.61 |
| invented in advance | 0.60 |
| invented in the chronic… | 0.55 |
| recharged | 0.55 |
| sold in the u.s. | 0.52 |
| concerned | 0.51 |
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