Fuel Treatment Plant Supply In Vadodara Gujarat India A diesel fuel polishing system is a filtration system designed to remove water, contaminants, and impurities from diesel fuel, ensuring it remains clean and free of debris. It helps maintain the quality and efficiency of diesel fuel, especially in storage tanks, by continuously circulating and filtering the fuel to remove any build up or contamination. These systems are commonly used in industries such as transportation, marine, and backup power generation where clean fuel is critical for optimal performance