EPA Crafting Rule To Create 'De Minimis' Rate Threshold For GHG Permits

EPA is working to set a de minimis threshold level of greenhouse gas (GHG) emissions above which air permit requirements would be triggered in line with the Supreme Court 's ruling last year that limited the agency's permitting authority for GHGs to only those sources already covered by federal air permits for other pollutants. Once finalized, the rule could end litigation by Texas and some industry groups, which have sought to block EPA from permitting GHGs until the agency...