Class B includes conversion vans and popups like the VW vans with the raised roofs, as I understand it. Guess there aren't that many folks that use them for camping anymore. Tag along popups have pretty much replaced them.
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.