PRI-G is super concentrated; 16 FL OZ. treats 256 gallons, and is a complete fuel treatment that improves any type of gasoline, enabling it to perform to maximum potential. PRI-G’s industrial strength, enhanced thermal stability chemistry reacts with fuel upon contact, and provides multiple benefits: Engines perform better and last longer Engine power increased and fuel economy realized Fuel stays fresh months, even years Hesitation, knocking, and pinging reduced Improved Engine Performance – PRI-G works chemically within all gasoline to improve the combustion process. Improved combustion means improved engine performance. You will realize increased power from your engine. At the same time, you will enjoy greater fuel economy. PRI-G reduces the hesitation, knocking, and pinging that is common in gasoline engines. It is also extremely effective at cutting harmful emissions. Smog tests are no longer a challenge.