To surprisingly tepid applause, EPA head Lisa Jackson just announced that she has signed “two distinct findings regarding greenhouse gases under section 202(a) of the Clean Air Act.”  One was of course the anticipated Endangerment Finding, which states that current and projected concentrations of six so-called greenhouse gases (GHG) in the atmosphere threaten the public health and welfare of current and future generations. The other was the Cause or Contribute Finding, which finds that the combined emissions of the 6 GHGs from new motor vehicles and new motor vehicle engines contribute to the GHG pollution which threatens public health and welfare.This certainly suggests that light-duty vehicle GHG regulation remains their primary goal.  But Jackson also mentioned potential future permit requirements for stationary sources of GHG under section 112 of the CAA.  And as that might affect everything from schools and hospitals to larger private homes,...(Read Full Post)