We're seeing the back-side of nearly a week of sub-zero F temperatures. Maybe it's not a bad time to bring a 2018 article published here in TDP back to the front, to help those new to diesels, or any old hands who may like to add to the discussion here in this thread - or... see a "cool" pic.

https://www.thedieselpage.com/featur...dweathercc.htm