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Subject
- Global warming7
- Economic aspects5
- Environmental policy5
- Climatic changes4
- Economic policy3
- Fuel cells3
- Hydrogen3
- Hydrogen as fuel3
- Industrial efficiency3
- Industrial productivity3
- Just-in-time systems3
- Political aspects3
- Prevention3
- Research3
- Communication in science2
- Competition, International2
- Effect of human beings on2
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- Foreign economic relations2