September 6, 1998
In defending her company's air pollution (Voice, Aug. 31), Commonwealth Edison's Mary O'Toole doesn't mention that ComEd is Illinois' largest emitter of nitrogen oxides. In 1997, ComEd's smokestacks emitted as much nitrogen oxide as 6.3 million cars, or roughly five times the number of cars registered in Chicago. That's a 14 percent increase above the company's previous year's pollution. A loophole in federal law enables ComEd to pollute so much. The company's old, coal-fired power plants don't have to meet...