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- energy policy (5)
- renewable energy sources (5)
- energy industries (4)
- internet industry (3)
- amazon.com (firm) (2)
- apple computer, inc (2)
- business enterprises (2)
- businesspeople (2)
- clean energy (2)
- climatic changes (2)
- clothing trade (2)
- electric vehicle industry (2)
- facebook (firm) (2)
- high technology industries (2)
- hua wei ji shu you xian gong si (2)
- information services industry (2)
- musk, elon (2)
- power resources (2)
- psychology, industrial (2)
- sustainable development (2)
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