Abstract: An apparatus and method are provided for supplying an additive to enhance the performance of an internal combustion engine. The additive is introduced to the engine through the air intake system, preferably through the PCV line which normally interconnects exhaust gases accumulating from the crankcase to the air intake manifold. In a preferred embodiment, an air regulator provides a controlled flow of air through a container which houses a desired quantity of additive. A resulting air/additive mixture is produced which is introduced through the PCV line into the air intake system of the engine. The additives disclosed are paraffin and mothballs. The apparatus is mounted externally to the engine.

Abstract: A method and apparatus for efficiently atomizing fuel for supplemental supply to an internal combustion engine are described wherein the atomized fuel is supplied to the engine in addition to the conventionally carburetted fuel. A portion of the fuel being supplied to a carburetor in a conventional manner is diverted to the system according to the invention and is supplied thereto in a metered fashion. A fuel vapor is produced and is supplied to the engine downstream of the carburetor, as required by the engine; this requirement being indicated by engine vacuum. Vaporization is accomplished in the described embodiment by heat and ultrasonic nebulization.