Made in the U.S.A. Restores/Increase Horsepower.Reduces Fuel Consumption–tests show an average of 4% improvement in MPG and gains up to 9.6%Cetane Improver – improves combustion resulting in better engine starting, running & reduced noiseReduces Wear – lubricity improvers restore lubricity to ultra low sulfur diesel fuelsReduces Emissions – reduces Smoke and Particulates