In Ct, only a handful of emission test places that will do a diesel. Went 45 miles one way for the test today.. What a joke. Guy let my truck idle 10 minutes or so, with a sniffer stuffed up the tailpipe. I had a reading of 1.5 and can go to 40.0 PPM.. Never checked lights, brakes or anything else... Says, looks like you keep this up real good, (which I do) and that ended that.. Now to wait for the renewal of 280.00 per year for a plate.