The results of an experimental study of efficiency of the cavitation treatment of a fuel mixture. based on A-95 gasoline and distilled water. for automobile internal combustion engines are presented. Cavitation treatment of this fuel mixture at a percentage of water/gasoline of 17/83 % allows increasing the cost of gasoline up to 15-20 % when operating engines on flat and sloping sect... https://www.rawafricaonline.com/