Joe Hogan RVF Supporter Joined Nov 3, 2019 Messages 3,420 Location Florida RV Year 2024 RV Make Newmar RV Model Dutch Star 4311 RV Length 43 Chassis Spartan Engine Cummins TOW/TOAD 2018 Ford Flex Fulltimer No Mar 22, 2025 #1 of 1 Here is an interesting video on the different fuel additives and chemical analysis.