In 2013, under the call of the National Energy Conservation and Emission Reduction, domestic internal combustion engine companies have increased the production and sales of natural gas engines . As the earliest enterprise engaged in the development of gas-fueled engines in China, Yuchai has always been at the forefront of the development, production and sales of natural gas engines. Driven by the continuous upgrading of technology, quality and after-sales service, Yuchai gas engines continue to reach the market. From January to September this year, Yuchai's sales of gas engines reached more than 25,000, a year-on-year increase of over 73%. Yuchai started to research and develop natural gas engines since 1995. With the continuous development of the domestic natural gas vehicle market, Yuchai's gas engine products are gradually put on the market. Yuchai's natural gas engine now covers seven product lines: YC6KN, YC6MKN, YC6LN, YC6GN, YC6JN, YC4GN, YC4DN, and the product power is from 120 hp. To 440 horsepower, it can meet the power needs of heavy, medium and light passenger cars and trucks for a wide range of users. Adopting the internationally advanced single-point injection gas control system (ESI), Yuchai natural-gas engine has reached the national five emission standards through lean combustion control technology and oxidation catalytic post-treatment technology, and at the same time, it has achieved better gas economy. For the characteristics of slow natural gas combustion, high heat load, Yuchai gas engine in the combustion system, cooling system, lubrication system, air management system, ignition system and other aspects of in-depth research and special development, effectively improving the reliability of gas engines. In addition, Yuchai conducted comprehensive and full validation and evaluation in product optimization design, three-high calibration, bench test, vehicle test, etc., in order to ensure excellent market competitiveness of Yuchai National V natural gas engine products. The market is the touchstone for product quality. The user's voice is the best comment on the product's performance. In an interview with the media, Wang Nanhui, manager of the Beijing New Bus Branch of Beijing Public Transport Group, said: “The lack of air consumption and timely service are the main reasons why we choose Yuchai LNG engines.â€
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Yuchai Engine 
