and completely native in the cannes competition, he brought three times in the competition between international year 2022, more than 600 works from 25 countries of the world participated in the competition, and this device is among the top 10% of the competition of this knowledge-based piece. they believe that their product can be used in the public transport of big cities to reduce pollutants and pervasive fuel, and facilitate the widespread use of this knowledge-based product in urban services and public transportation of big cities. currently, we have about 600 thousand heavy vehicles in the country, and with the widespread installation of this device on this number, about 3 million liters per day can be saved we will have the gas that it will result in savings of about three and a half billion dollars a year. the reduction of pollutants and fuel also have a patent certificate. i have installed more than a thousand devices so far, and this number is increasing. mohammad ali sohailpour, the host of isfahan radio and television, the director of the supervision of issuers of the stock exchange