a
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Natural gas share weights of individual sector indices based on EIA Manufacturing Energy Consumption Survey, 2002.
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b
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Total highway travel includes gasoline and diesel fuel vehicles.
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- = no data available
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Notes: The approximate break between historical and forecast values is shown with historical data printed in bold; estimates and forecasts in italics.
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Historical data: Latest data available from U.S. Department of Commerce, Bureau of Economic Analysis; Federal Reserve System, Statistical release G17; Federal Highway Administration; and Federal Aviation Administration.
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Minor discrepancies with published hstorical data are due to independent rounding.
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Projections: Macroeconomic projections are based on the Global Insight Model of the U.S. Economy and Regional Economic Information and simulation of the EIA Regional Short-Term Energy Model..
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