It seems to me that the EPA is making a concerted effort to withhold evidence that they know might not be in favor of trying to regulate CO2 which is not a pollutant & seems a waste of effort trying to prove that it is. Of course, ruling a certain way might derail the gravy train for some.
You nailed it!
” Of course, ruling a certain way might derail the gravy train for some.”
Follow the money ...