Abstract: Described is a hydroxyl gas generation system for generating a hydroxyl gas by way of electrolysis, for limiting the corrosion of electrodes used in the electrolysis, and for making the hydroxyl gas available to be drawn into the air intake of a combustion engine. The hydroxyl gas generation system generates an electrolytic reaction by passing an electrical current between the electrodes by way of an electrolytic solution, the electrolytic reaction generating the hydroxyl gas. To limit the corrosion of the electrodes, the polarity of the voltage applied to the electrodes is periodically alternated. Additionally, the electrodes are constructed of or plated with platinum, a material that is substantially impermeable to the electrolytic solution.