EPA Pulls Biogenic GHG Emissions Rule, Air Modeling Guide From OMB

The Biden EPA has withdrawn from White House pre-publication review a long-pending Trump administration proposal to exempt some biogenic greenhouse gas emissions from Clean Air Act permitting mandates, and it has also pulled a separate proposed guidance on modeling ozone and fine particulate matter (PM2.5) emissions. The two withdrawals took place Jan. 21 one day after President Joe Biden’s Chief of Staff Ronald Klain issued a memo to EPA and all other agencies announcing a “freeze” of all pending regulations...