Services Gas Additives What Are Gas/Fuel Additives? Shop Tires Request an Appointment Request a Quote Click for details See all There are two main types of fuel additives: fuel performance enhancers and fuel stabilizers. Fuel additives for performance are intended to improve the capabilities of your vehicle's engine while it is running or in use.They can also act as corrosion inhibitors or lubricants keeping your engine running at its peak performance.Call or schedule and appointment today so we can keep your vehicle running its best!