biggest producer of co2 is not coal, page-15

Berretta, the large amount of BS dumped on these threads is an obvious source, but I'll instead defer to this chart;

http://en.wikipedia.org/wiki/File:Global_greenhouse_gas_emissions_by_sector,_1990-2005,_in_carbon_dioxide_equivalents_(EPA,_2010).png

That is unless you can provide some succinct and valid evidence to the contrary.