This engine can achieve such an excellent level of power, and it carries a lot of “black technology” technology is also related. It adopts the technology of intelligent combustion, high efficiency and anti knock. The combustion system integrates Atkinson cycle, 350bar high pressure injection system, high tumble ratio intake port and high compression ratio combustion chamber, low inertia and high efficiency electronically controlled supercharging system, high pressure cooling EGR and other technologies. < / P > < p > and it uses ultra-high compression ratio, which makes the thermal efficiency of this engine reach 41.07%, which is the highest level of its own brand and directly matches the level of world leading automobile enterprises such as Toyota. < / P > < p > in addition, the key system of c15tdr engine has gone through more than 120 unit verifications, and the accumulated bench test time is more than 43000 hours, and the actual vehicle verification mileage is more than 7 million kilometers, equivalent to 175 circles around the equator. The power level and test level of < / P > < p > make the mass stability of this engine fully verified. At the same time, in order to dispel the consumer’s concern about the quality of the engine, the manufacturer also gave the 10-year unlimited mileage super long warranty policy. < / P > < p > it can be predicted that AX7 pro, heyixuan and other models will receive considerable attention by virtue of the engine with extremely bright power parameters. And if it is equally attractive in terms of pricing, the hot topic of the car will reach a new high. Didi Qingju bicycle has entered 150 cities