AFS formulates proprietary performance fuel additives for middle distillates, such as diesel, gasoline, biodiesel, and home heating oil. They offer custom-built additives based on their patented strategic planning sessions. AFS has a successful history of assisting fuel wholesalers, dealers, and fleets in delivering value-added propositions and optimizing fuel management. They also provide counsel to fleets on buying principles that can save them thousands of dollars on wasted fuel expenditures.