Additives in food might not be the best thing for you (SodiumMonowhat?), but additives in fuel might help truck drivers save money.
Fleet Owner features a story about International Fuel Technology (IFT) and how its DiesoLIFT fuel additive has increased fuel economy for long-haul applications.
Is there a connection between a fuel-additive that helps trucks go farther and the reason why some cellophane-wrapped pastries have such a long shelf life? Who knows?