Up to 50% in savings are provided by this 6000 cc HHO Kit for Bus. Additionally increasing mileage by 20% to 60% is this 6000 cc HHO Kit for Bus. This HHO system aids in enhancing engine performance and improves pickup. It is eco-friendly, lowers engine vibration, and cuts down on emissions by up to 80% in the case of carbon monoxide and hydrocarbon. It doesn't need any upkeep or engine modifications. It increases horsepower and lengthens the life of the engine oil. It is simple to install.