GPP Licensing Program

GPP Supports Boat Owners

With the Gasoline Protection Program™ (GPP), you now have the power of knowledge when choosing a gasoline additive product.

GPP takes the guesswork out of choosing the right gasoline additive product for your boat.  GPP certified products provide the following benefits to protect your engine.

  • fuel stabilization
  • oxidation and corrosion defense
  • varnish and gums control
  • prevention of water uptake into fuel.

Gas nozzle

GPP registered products do not contain certain harmful heavy metals or cause corrosion.

GPP certified products are quality tested and certified by the National Marine Manufacturers Association (NMMA), giving you confidence that the products meet the rigorous performance standards established by engine manufacturers.

It is anticipated that GPP certified products will be available for purchase in the summer of 2020.

More information is available at