Federal Court Rules Particulate Matter is Not Solid

The Onion could have fun with this.  The NRDC director of NRDC’s Southern California air program, David Pettit, recently argued in Federal court that diesel exhaust particulate matter is a solid, and the court concluded that it is not.

Source: What’s in Diesel Exhaust, Michigan Diesel Cleanup Campaign

The case is, of course, much more complex.  A summary from the excellent Courthouse News Service is below, and the applicable court document is here.