The article proposes a scheme of modernization of the gasoline engine to work on a gas-air mixture. This article discusses the technical characteristics of the engine on gasoline which is recommended by the manufacturer. The characteristics of the engine operation on the gas-air mixture without alterations, and the characteristics that the engine shows when working on the gas-air mixture with the already made changes are also given.

Keywords: car, gas equipment, intake valve, compression ratio, mixture pressure

The article discusses the features of motor vehicle leasing. The advantages and disadvantages of this form of increasing and updating the rolling stock of the enterprise are formulated. The analytical data of this market segment are given.

Keywords: car, vehicle, motor vehicle leasing, rolling stock renewal, improving the competitiveness of an enterprise, market

The technique of improving the quality of remote diagnostics of cars is proposed. This method makes it possible to learn real-time and real-time information about the status of the functional units of the car, thereby assessing its technical condition.

Keywords: remote diagnostics, car service, car

In the article the results of studying the experience of factories of the construction industry concluded that the production of products manufactured are loss of original building materials. The proposed method of elimination of losses and method of calculation of the amount of these losses. An algorithm is developed to determine the causes of losses, as well as recommendations on elimination of waste construction materials. The research results are recommended for practical application in the factories of the construction industry

Keywords: method of saving material resources, factories, construction industry