According to the statistics agency of Uzbekistan, the number of vehicles running on an internal combustion engine will be more than 3.2 million in 2023. 74% of them run on compressed natural gas, 24% run on gasoline, and 2% run on electricity and other alternative fuels. Potential customers for tuning hybridization of used cars are cars running on gasoline, and in addition, the economic efficiency of tuning hybridization can be considered in vehicles running on compressed natural gas.