Purchased my first tractor (JD 2320) in June. At that time I also purchased 20 gallons of diesel. Now I have a full tank of diesel in the tractor and 10 more gallons left in containers. I live in Indianapolis and temps are regularly in the lower 40s during the day and down into the 20s at night. I am still using my tractor 2-3 times a week and plan to use it to remove snow later this winter. I understand that there is such a thing as Winter diesel and Summer diesel and that Summer diesel will tend to gel up when temps dip to around 10 degrees F and below. Question for you more experienced tractor owners: How important is this difference between winter/summer diesel? Should I run my tractor till it's empty (while it's just sitting in my barn) and go get fresh (winter) diesel immediately? And if I put gas stabilizer into the 10 gallons of summer diesel I have in containers will it still be good by spring? Or does it not matter so much and I can just use the diesel I have (bought in June) until it's gone (probably take most of the winter to go through it all) Thanking you in advance for your advice.