Fellows, I am NOT sure about this but a short time ago I did hear something in the parts store about the disel oil WOULD BE DIFFERENT but can't remember the date ....also the "old" stuff may still be available but probably at a higher price. I just want to suggest to everyone, and I know you guys will do this, but be SURE what you are getting and don't just go grab a quart or gallon and not get what you think your getting. I still delivering parts part time and do remember it being discussed in the store. I'll follow up on this if I can tomorrow. As I mentioned early on here I usually try to stay up on this stuff but when you don't need it for a while things change without realizing it. I have learned a lot here and thanks. Hopefully it will help someone avoid a major catastrophy. Isn't the Stovebolt great!