Fossil Fuel-related CO2 Emissions in China, 1998–2004 (in millions of metric tons of CO2) 1998 1999 2000 2001 2002 2003 2004 CO2 from coal 2,363 2,287 2,339 2,472 2,518 2,731 3,809 CO2 from natural gas 47 51 57 64 69 72 83 CO2 from petroleum 531 566 636 653 686 737 816 Total CO2 from all fossil fuels 2,940 2,905 3,033 3,190 3,273 3,541 4,707 Source: DOE/EIA[36]