First diesel was a VW Dasher--loved it.  Second diesel was a 1996 3500 Cummins.  Third diesel was a Canyon 2.8 Duramax (sorry!)  Current is a 2020 Ram 1500 3.0.  Cummins always needed anti-gel for below 20F/-6C.  Just got this 2020.  Does it need anti-gel for down to 0F?  Thanks.