We take great pride in being one of the oldest and most reputable companies in the fuel economy marketplace and have been perfecting our technology and products for well over a decade with no complaints or FTC actions. Our value added products ARE backed. Our experience dates back to times when gasoline prices were a fraction of today's. Unlike some companies, we don’t make claims as to increased fuel economy. We simply let prospects rely on our independent testing results, the results being achieved by Fortune 500 companies, corporate transportation fleets, and municipalities as well endorsements from professional automotive associations such as the General Motors Minority Dealers Association and the National Limousine Association. Our value added products backed with a 100% satisfaction money back guarantee and we always strive to maintain our 99.5% customer satisfaction rating.