The fuel itself is not polished, fuel treatments like ATS polish the injector venturi, removing sludge, and converting dribbling injectors into sprayers.
Fuel System Maintenance by Don Casey "Give a diesel engine clean fuel and it will run forever." This old saw is less of an exaggeration than you might think. Repair statistics show that 90% of diesel engine problems stem from contaminated fuel. The promise of eliminating 9 out of 10 poten...