We Don't Make Gas, But We Do Make It Better! MPG-BOOSTER has proven itself to be one of the best pollution reducing products available in today's marketplace. A small four-ounce bottle will treat up to 160 gallons of gas. It will increase mileage, reduce emissions and save money at the pump! This bottle could save over $50 in real money. High Performance Plus is America's Solution To High Gas Prices! Our products are extremely concentrated. One gallon will treat up to 5,000 gallons of gas. It should save you 500 gallons or more in fuel or over $1,000. All of our fuel additives are "ZERO COST" PRODUCTS. "Zero cost" means that based on the cost of gasoline or diesel fuel and the increase in mileage gained from treating each tank of fuel, you save more money than it costs for the treatment.