EPA Secondary NAAQS Proposal Requires No Additional Pollution Cuts

In an apparent defeat for environmental groups and the agency’s science advisors, EPA is proposing only a minor tightening of its “secondary” air standards for sulfur oxides (SOx), and planning to leave such ecosystem-based limits for other pollutants unchanged, resulting in a rule that would require no additional emissions cuts by industry. The proposal , released by EPA April 11, would revise the secondary national ambient air quality standards (NAAQS) under a combined review of limits for SOx, nitrogen oxides...