Its late and I don't feel like conducting a web search for an answer so I'm going to ask my fellow diesel owners a fuel question. I purchased a 2011 Chevy Silverado 3500HD 6.6L diesel in South Carolin...
I would always get the diesel #2 if it were me. Thats what I do. D2 is diesel #2. That is what most diesel fuel is. It would also have to be ULSD. They don't sell any diesel that isn't ULSD as far as I know. In the winter they will mix D1 and D2 to keep your fuel from gelling in cold weather. D1 is more like kerosene.
I don't like the bio fuel stuff but maybe I am just being silly.