More About Quads: Information Sources

The information for the calculation of the quad can be found on DOE's Energy Information Administration (EIA) website at in the following tables:

Table C1 General Conversion Factors
Table C2 Barrles of Crude Oil per Metric Ton, 1990-1999
Table C3 Gross Heat Content of Crude Oil, 1990-1999
Table C6 Gross Heat Content of Coal, 1990-1999

These tables are also availabe as PDF and MS Excel spreadsheet (*.xls) files at for coal, and for oil.

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