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    Fuel and Energy Conversion and Equivalence Chart Please note, the fuel economy estimates within this document are examples only. Maine Public Service does not consult with customers regarding fuel source selection. For accurate pricing, fuel source recommendations, and additional information, please contact your energy supplier.

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    Imports of Coal in China decreased to 1614237 USD THO in February from 2340812 USD THO in January of 2017. Imports of Coal in China averaged 585231.41 USD THO from 1993 until 2017, reaching an all time high of 3094866 USD THO in December of 2012 and a record low of 12 USD THO in April of 1999. This page includes a chart with historical data for China Imports of Coal.

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    Calorie (cal). Historically the calorie was defined in terms of the heating of water. Thus, in a traditional definition, one calorie is the amount of heat required to raise the temperature of 1 gram of water by 1°C, from 14.5 °C to 15.5 °C.

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