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Subject
- Petroleum products21
- Prices21
- Economic conditions20
- Economic policy17
- Petroleum industry and trade8
- Energy policy6
- Price regulation6
- Tariff on petroleum products5
- Foreign economic relations4
- International economic relations4
- Law and legislation4
- Organization of Petroleum Exporting Countries4
- Taxation4
- Economic history3
- Energy conservation3
- Foreign exchange rates2
- Government policy2
- Petroleum chemicals industry2
- Tariff on petroleum2
- Costs1