If It's -30 + Only Use #1 Diesel

That is why depending on where a gas station is, depends on how they buy their fuel. Up north buy fuel differently than down south.

Mr M I thought this was deleted?

No some individual comments.

also I was told that if in addition you treat both tanks with anti gel and add 911 in before it gels it won't gel. but both my tanks were treated with both howes and 911 the second time i gelled. also note I didn't gel until it hit actual temp - 40