we all know that half ton diesel pickups are on the way w/ ford 4.4 and v8/v6 cummins for dodge but just the other day i was reading an article in my TDR (turbo diesel register) magazine and i came across an article about toyota buying into Isuzu after GM sold its remainig part, Probably for the develpment of a diesel. sorry no CAT but mabey as good of a diesel as duramax.