I always said if someone made a large nonslide camper I might be interested. I see a 12fter on Northstars site that looked pretty good until it showed a 4.5 gal cassette toilet that I know nothing abo...
My Northstar has a very simple cassette. No fans, no vents. A few tablespoons of chemicals designed for large black tanks works really well to control odors.
You pick your poison. With a cassette you need to dump every couple of days. With a black tank you are up the creek when there is no dump within miles and miles.
Typically the biggest logistics issue I face is trying to find fresh water, not trying to dump.