Star *Tron Diesel Additive 8 oz. Revolutionary Enzyme Fuel Additive. Eliminates algae and fungal growth without the use of poisons Reduces all emissions, including carcinogenic, particulate smoke. Prevents fuel oxidation and stabilizes diesel chemistry for at least two years Lowers fuel system maintenance Eliminates carbon build-up from burners, injectors and exhaust components Increases fuel economy up to 15%.