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| energy economy; energy industries; energy sector | |||
| energy economics | |||
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| energy conservation | |||
| energy saving | |||
| energy economics The production, distribution, and consumption of usable power such as fossil fuel, electricity, or solar radiation; energy economics | |||
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| energy saving | |||
| economia da energia: 14 phrases in 5 subjects |
| Energy industry | 4 |
| Environment | 7 |
| General | 1 |
| Natural sciences | 1 |
| Transport | 1 |