1 MPG-CAPS FOR EVERY 15Ltr. Filling of Petrol or Diesel. The MPG-CAP™ is a 100% organic engine conditioner that simultaneously improves fuel economy and power by creating a micro-thin coating on the combustion chamber in your engine allowing your fuel to burn more efficiently. MPG-CAPS™ increase the overall vehicle performance, including increasing fuel efficiency in miles per gallon, decreasing engine wear and tear, decreasing harmful emissions, and reducing engine operating temperatures. MPG-CAPS™ do not contain anything harmful to the engine, gaskets, or seals. The MPG-CAP™ is not a fuel additive. It is a combustion chamber conditioner that improves an engine’s internal combustion process to give you lower emissions, better Gas, Petrol & Diesel mileage, and better fuel economy. Some fuel additives serve only as “fuel system cleaners” adding detergents, or harmful chemicals that can hurt your engine. MPG-CAPS™ are 100% safe for the environment and for your engine. MPG-CAPS™ can be used in all diesel or gasoline powered engines such as boats, agricultural equipment, heavy machinery, etc. as well as 2-cycle equipment such as outboard motors, chain saws, lawn mowers, etc. Furthermore, MPG-CAPS™ may be used with Biodiesel fuels and Ethanol-Gasoline blends. MPG-CAPS™ can reduce carbon monoxide, hydrocarbons, and nitrogen oxide. MPG-CAPS™ will help you save money while delivering greater efficiency and performance results at the same time. MPG-CAPS™ will condition your engine and help your engine last longer, too! If you drive with a heavy foot, you will notice an increase in performance, but not a high increase in mileage. If you drive following the speed limits, your mileage will increase 7-14%.