Acronyms and Abbreviations

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U.

UAE	United Arab Emirates
UCG	underground coal gasification
ULCOS	ultra-low CO2 steelmaking
UN	United Nations
UN COMTRADE	United Nations Commodity Trade Statistics Database
UNCTAD	United Nations Conference on Trade and Development
UNDP	United Nations Development Programme
UNEP	United Nations Environment Programme
UNFCCC	United Nations Framework Convention on Climate Change
UNIDO	United Nations Industrial Development Organization
UNIPEDE	International Union of Producers and Distributors of Electrical Energy
UNSD	United Nations Statistics Division
US AID	United States Agency for International Development
USC	ultra-supercritical
USCSC	ultra-supercritical steam cycle
USD	United States dollar
USGS	United States Geological Survey
UT	union territories (India)