Green Rules Could Shut up to 500 US Coal Plants – Study

New clean air rules could force up to 500 US coal plants to shut spurring billions of dollars in construction of cleaner plants to replace them, according to a study.

Pollution laws including the Clean Air Interstate Rule that caps emissions of smog components sulfur dioxide and nitrogen oxides (NOX and SOX) could shut the plants in 25 states, according to the study by Colorado-based E3 Consultants, which advises energy companies.