Emissions testing for Gen III - just got a notice it's due for one

I agree, while I haven't been through with my Prius I can't speak about that but I can speak about motorcycle. Up until this year or last (I forget exactly), you had to take your motorcycle in for emissions testing as well. They jam a stick in your exhaust and have you rev the engine and if your not spouting black smoke pretty much your going to pass, since you'll never reach car emissions. I'm interested in knowing this about Prius emissions as well, since (maybe) I'll have my car that long to need it.

EDIT:
now that I think about it, I'm wondering if they're implementing wheel load chocks? Not sure the technical name, but when I lived in Maryland they loaded your front (or rear) wheels onto dual drums and the drums simulated road load on your drive train as they had their tester stuck up your cars butt.

 

in ma, they just hook up to your obd, engine doesn't have to warm up any more, all the info is recorded in the black box. takes two minutes and your off.

 

In California, Pruis were exempt from smog testing, don't know about now, but I'm sure they have to be tested so somebody can make some more money off of us.