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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 economy; energy industries; energy sector | |||
energy economics | |||
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energy saving |
economia de energia : 14 phrases in 5 subjects |
Energy industry | 4 |
Environment | 7 |
General | 1 |
Natural sciences | 1 |
Transport | 1 |