Further, U.S. coal reserves exceed 260 billion tons - "250 years of supply at the existing production rate [for electricity] of 1.1 billion tons a year." The task force says clean coal can be the largest and quickest single new source of oil in the U.S. - and that the conversion can be economic (producing a 15-per-cent return on investment) with world oil prices between $40 to $50 (U.S.) a barrel.

 Clean Coal is Critical Component --  Silverado Green Fuel can be a large part of this - CTLF.