. >>> germon lawmakers agree thod a third bailout for greece. the measure was approved following a warning from the channeler will merckel that is the alternative was chaos. >>> the hits keep on coming for coal industries. a pension fund has filed suit against pea body energy after an alleged $800 million lie liabilities from patriot coal. part of its bankruptcy they floon sell some of its assets. >>> meantime coal prices have plunged since their 2011 peak but the decline accelerating this year and the tough times may be getting tougher. not just for the coal industry. bup as morgan brennan explains more to it. >> reporter: april 2013 natural gas is the primary fuel for electric generation. and 31% of power and coal 30%. come nair to just five years ago, when coal generated 44% and nat gas, just 22. it's one more piece of bad news for a kmoddy that is struggling for years. a stronger dollar is making coal exports more expensive and u.s. regulation targeting greenhouse gases have targeted the coal industry. but it's accelerating now for another r