The U.S. produced a total of about 6, 633.2 million metric tons of greenhouse gases in 2009.

FORBES: EPA Greenhouse Gas Inventory Shows 6 Percent Drop In CO2

Fitch Credit Ratings estimates that this is whittling coal sales by about 63 million tons per year, equivalent to 6% of 2010 consumption, with new EPA regulations further reducing sales by another 5%.

FORBES: Paul Krugman's Toxic Shock Syndrome: Mercury Madness

Consol Energy, is expected to produce about 65 million metric tons in 2010, out of which 7.6 million will be metallurgical coal.

FORBES: Magazine Article