Up in Vermont I used to cut my deisel car fuel up to 50/50 with Kerosene so it wouldn't gel in tthe winter. Don't think it does anything else. I still vote for Capt'n Will's Fuel Polishing systen. It is in the T&T Archives. Russ Be Holy or Die Trying"  St Stephen 33AD "Be joyful always; Pray constantly; Give thanks in all circumstances, for this is God’s will for you in Christ.....Test everything. Hold on to what is good. 1 Thessalonians 5:16 "Since you cannot do good to all, you are to pay special attention to those who, by the accidents of time, or place, or circumstances, are brought into closer connection with you." St Augustine