Greenhouse gas producers.

• Position: STATELINE - Brief article

Wyoming leads the nation in per capita carbon-dioxide emissions, according to a study by the Associated Press. That's because it burns coal to produce nearly all of its electricity. It is also the largest exporter of energy to other states. In fact, Wyoming's coal-fired power plants produced more carbon dioxide in eight hours than Vermont's generators do in a year. The states after Wyoming with the highest pollution rates per...