Defense Environment Alert -- Critics of bipartisan coal-to-liquids (CTL) energy bills co-sponsored by Sens. Jim Bunning (R-KY) and presidential hopeful Barack Obama (D-IL) say the legislation, which would promote Defense Department use of the alternative fuel, poses significant financial and environmental problems. Instead, DOD should look to improving its energy efficiency, one energy expert says. The bills, introduced Jan. 4 in the Senate, propose a three-pronged approach to promoting coal-to-liquid fuels as a way to ease U.S. dependence on foreign...